The rumor mill is churning yet again -- the latest Apple rumor is that an event is coming on September 9th. Multiple sources are saying that they've heard Apple will host an event in San Francisco to talk about music, including upgrades for the iPod and iTunes. This is hardly a surprise -- Apple usually holds an event this time of year to pump up back-to-school sales of expected iPod refreshes. So while of course it's a rumor until we hear it from Cupertino, it's pretty believable that sometime around September we'll be hearing about new iPods of some kind.

It's also pretty believable that this event won't be about the rumored iTablet. While mockups, leaks, and fake shots (oh my) seem to be appearing more and more often lately, the same folks that are saying September 9th are also saying that Apple isn't planning to tell us anything about a tablet quite yet. That doesn't mean that it's not coming, of course (eventually -- keep hope alive!), but definitely don't hold your breath for a September announcement or a holiday release. Looks like we'll find out whether those iPod camera rumors are true soon, but we'll probably have to keep waiting for the tablet.

RescueCom is a company that provides tech support and help from a 1-800 number, and they've released the latest version of their computer reliability report. This thing is actually pretty well done -- it examines just which brands and makes of computers are getting the most support calls, and then compares it to the average US market share for each brand. For example, if XYZ brand computers are getting a lot of calls, but they're also selling like hotcakes, it won't rate quite as high as ABC brand, which is only selling a few computers, almost all of which are breaking down.

There's bad news, however, for Apple, in this quarter's report: they've fallen to spot number two. For the overall year of 2008, Apple reigned supreme in terms of reliability. But in the first quarter of this year, Asus and IBM's Lenovo have had their numbers rise above -- both of their shares of the US market are smaller than Apple's 6%, according to this report, but Apple's 2% of calls to RescueCom still means Asus and IBM/Lenovo have them beat in overall reliability. Unfortunately, they don't show us the fun side of the chart: HP/Compaq end up in the fifth spot, but their 17.9% of all the calls to RescueCom is only the fifth most reliable, not the worst.

Apple still probably doesn't have too much to worry about -- as Wired notes, these are only quarterly scores, and don't forget that this is the quarter in which many people were still learning how to use their iPhones, iPod touches, and the App Store. But this might be an early sign that as Apple grows, it'll be tougher for them to guarantee reliability in their products.

Stick with us here: a new report by Forrester Research claims that of all the music purchased in the US, digital purchases have jumped to 18% of the total, and they expect it to go up to 41% of total sales over the next five years. That means that about 20% of all the music sold in the US is bought digitally. And distorted-loop.com is doing a little reasoning from those numbers -- since Apple's iTunes accounts for 70% of US digital sales, DL has decided that Apple accounts for 12.6% of all music sold in the US.

Can't really argue with that reasoning, and given that we know iPod sales are up (and increased sales of the iPod touch means more people can buy from iTunes straight to their iPods, not to mention that one of the biggest days for iTunes sales is Christmas, thanks to all the new iPods under the tree), we can probably look for that number to head even further north next year.

Fortune's Apple 2.0 blog has the skinny on why Japan is so hot on Apple lately -- apparently Steve Jobs' little company has seen sales rise 39% in the land of the rising sun, even after a drop the last year.

Why is this? Apple's own report says iPods, Macs, and MacBooks are the culprits -- sales of Macs specifically are jumping up the charts. At the same time, reports are saying that sales of the iPhone have slowed there after a big burst at debut (while sales here are still through the roof).

Seems like there's an upsurge on American electronics in Japan in general. Any of you armchair analysts want to guess why Apple is doing better there?

The Register rang the town bell this week, pouncing on a report from Forrester Research which declared that iTunes Store sales are on the decline. Forrester analyzed 27 months of credit card transactions to conclude that revenue has fallen 65 percent since January 2006, and the size of the average transaction has dropped 17 percent. These numbers, however, don't take into account transactions like gift cards and gifted music, and I have a sneaking suspicion they might also have omitted other popular services like PayPal, which can be tied directly to a customer's banking account, bypassing credit cards altogether.

Apple is notoriously tight-lipped about the performance of their 800 lb gorilla iTS, but MacNN notes that Apple reported 'above-break-even' profits for the store during last September's earnings conference call. Considering the iTS has long been known as a paper-thin profit loss-leader to sell iPods, as well as the possibility that the neglected portions of iTS transactions could shift Forrester's findings, I'm a bit skeptical of these reports.

Of course, The Macalope asks 'who cares?' to all this worry of how the iTS is doing, but Geoff Duncan at Digital Trends reminds us of some interesting potential shifts in the digital distribution model that could depend directly on how well present offerings fair. Microsoft opened a Pandora's box by agreeing to pay the labels $1 for each Zune sold, and there are rumors that the jackass labels might be using this to pressure Apple into a similar deal. On an even broader scale though, Geoff also mentions something called 'blanket licensing' where said jackass labels could apply a tax to broadband subscriptions, allowing users to continue to freely download content over any network or service they use.

We will undoubtedly receive an updated performance report on the iTunes Store from Stevie at next month's Macworld. If anything, Forrester's report and the resulting discussion might signify a new wave of interestingness in the sea of DRM and digital distribution. Stay tuned.

Disk Inventory X takes a unique approach to helping you analyze your disk space usage by visualizing it as a graphical chart. You can see a breakdown of which types of files are hogging the most space, and clicking on a graphical portion will display the file's location in your Mac's system. Let's hear it for the use of color, shapes and sizes in helping Mac users clean up their hard drives; those Britney Spears MP3 duplicates and abandoned BitTorrent downloads aren't going to trash themselves.

Disk Inventory X is donationware and available from derlien.com.