I already bough Skyrim, redeemed my free copy of Portal 2, and have Starcraft II, just to give you an idea of genre's i like.
EDIT:
For those of you asking about my specs i have:
the Evga Geforce GTX 285 2GB
4GB of RAM
Intel X2 Duo 2.8 ghz CPU <<< only thing holding me back
1 TB HDD
UPDATE:
Thanks again guys for all the great suggetions,
Here's what i bought on steam so far:
Portal 1
The Witcher 2
Bioshock (was $4.99, hell yes)
The Sims 3
Team Fortress 2
Hitman: Blood Money
Half-Life 2
What's on my wishlist:
Bastion
Amnesia
The Witcher
Sins of a Solar Empire
EDIT:
For those of you asking about my specs i have:
the Evga Geforce GTX 285 2GB
4GB of RAM
Intel X2 Duo 2.8 ghz CPU <<< only thing holding me back
1 TB HDD
UPDATE:
Thanks again guys for all the great suggetions,
Here's what i bought on steam so far:
Portal 1
The Witcher 2
Bioshock (was $4.99, hell yes)
The Sims 3
Team Fortress 2
Hitman: Blood Money
Half-Life 2
What's on my wishlist:
Bastion
Amnesia
The Witcher
Sins of a Solar Empire