top The End Is Nigh For the Linux Game Tome
Steam requires to provide finished product and support. Apart from the libre games, there's a bunch of Linux ports that will never get into Steam because devs can't/don't want to support Linux beyond porting their game.
about a year and a half ago
top Steam For Linux: A Respectable Showing
Been ages since Steam have learned to detect wine, so probably it is in "Other"
top Steam For Linux Is Now an Open Beta
Humble Bundle is not an indicator. It's great that Linux users spend more, but if you'll take Windows or console game market in account, $2 per game spent by Linux users is nothing. All these games on Steam together worth around $60.
top Ask Slashdot: What Video Games Keep You From Using Linux?
This. Though it's more like "in past 15 years". I don't think I'll ever be able to ditch dual-boot, even though wine runs many games just fine.
top Project To Build Dual-Booting Linux, Android Tablet For $100
KDE4 runs just fine with 512MB RAM and modern Android devices have even more. If you'll read the thread you've linked, you'll see that it's an openSuSE issue which has a lot of pre-enabled KDE components that are not needed on a tabled (like semantic desktop).
top Nvidia Doubles Linux Driver Performance, Slips Steam Release Date
Who said there was profit in consoles?
Probably the fact that consoles are competing with PCs on a videogame market. For end user, consoles are cheap and easy to maintain, that's why people buy them.
top Microsoft Retiring Messenger, Replacing It With Skype
I've been using GTalk for years but it kind of sucks when you're using it with 3rd-party client. Most of it's features and XEPs are GTalk-exclusive and at the same time it doesn't support popular modern XEPs like "publish tune".