This weekend?  Between rounds of editing papers, it was Wrath of the Lich King for me.  My Dwarven Death Knight, Durstof, is lvl 61 now and is plodding through the outland content as quickly as possible

I haven't even touched my lvl 70 paladin more than getting him into northrend and setting his hearth to the in in Howling Fijord.

I'm not a huge gamer, quite often going the better part of a year between playing anything. There are two franchises that I make exceptions for-

1) Turn based strategy, the last good one being Gal Civ series before that the classics like MOO and Civilization

2) Fallout- never really got into RPG's but for some reason the fallout franchise I dig bigtime!

This weekend I bought fallout 3 and it is AMAZING.

If you have a PC that can run it or an Xbox-360, I highly recommend it. If nothing else it's worth it since you can make your own weapons, like a bazooka-type thing with a vacuum cleaner and other assorted parts, shooting random junk you find like tin cans or pencils

Or, if you find an old lunch box, some bottlecaps and a cherry bomb you can make an improvised landmine, and so on.

And, the bonus of it all is that you're playing in a post-apocalyptic wasteland that you really don't get to see too often in a lot of gaming environments.

Fallout 3- more than worth it's weight in gold (or pixelated gold, whatever)

I've only got one game installed; Race Driver GRID.
So I guess that's the game I've been playing

World of Goo!

Simple, yet very addictive. Lately I've started to feel that PC gaming is in a rut. Flashy graphics with little substance, tons of mediocre sequels and cookie cutter products is the norm these days, but then this game comes out and I see a glimmer of hope.

TA 2.0, Overlord, Bullet Candy(great little game especially for the price).

Looking hard at World of goo. Looks pretty cool