nijuu: Oh shite Windows 8 is being or was released :/.
Why hasn't MS sent me an email about my 15€ Win8 Pro upgrade??? I registered already last week or was it the week before that. EDIT: Scratch that, I got the campaign code. :)
I'm getting it just as a backup though, if I sometime get good enough reason use it instead of Win7 (e.g. if the MS Market becomes interesting enough and I want something from there). Using the preview release in two different cases didn't convince me yet to want to start using for its new features, which seem to have less use for desktop/laptop users, and more to touchscreen users. I didn't even see the promised performance increases compared to Windows 7 (and neither seem the tests I googled for), but maybe it is mainly related to CPU than GPU, so you'd see the increase only if you are bottlenecked by your CPU, not GPU? Just a guess.
And I did run into some game compatibility problems, surprisingly with quite new games (Batman Arkham Asylum and Crysis 2), but I'm sure those two cases will be ironed out soon, if they aren't already. But, as Win7 in itself already causes all kinds of quirks for running older games (how to change the General MIDI volume for games like GOG's Little Big Adventure? etc.), I am not keen to find out what new quirks Win8 will introduce.
By the way, I was surprised to notice in the Win8 wikipedia page that you can indeed install "metro-style apps" from outside the official MS Market... in all other editions except the basic (home desktop) version? So e.g. in my Win8 Pro I should have that possibility, but most of the home users will not? According to that page, even WinRT can.
Why did MS choose to lock down only one edition of Win8?
EDIT: It could be that I am misunderstanding the meaning of "sideloading". Ie., even on the other editions the originals have to come from Windows Store, but they can be moved between devices without downloading again from Windows Store, or something like that? Some Windows 8 expert can possibly clear that out.
http://en.wikipedia.org/wiki/Windows_8_editions#Comparison_chart I wouldn't necessarily mind having a smartphone, or a tablet (with a detachable keyboard) with Windows 8, though. There I'm much more interested to at least find out how it will do.