What games to buy!

Games, games, games.

That's pretty much all the words you need to describe the past few months. I, myself, only work for pocket money, so I can't buy every game out there. I do have a basic list in my mind, but it changes every day. So I need the beautiful Giant Bomb community to help me out.
I currently have about $300, so that will buy me about 3 games. I'm a PS3/PC owner, so no Gears 2 for me. ( I want it, :P )
The games I currently have are:
GTA 4
MGS 4
Fallout 3
LittleBigPlanet
Battlefield Bad Company (I know it's old, I like it XD )
Force Unleashed.

Yeah, thats about it. Post your top three games that you think I should buy. Thanks for any help that gets to me. :)

From amazon.com:

1. Valkyria Chronicles 56.99
2. Bioshock 44.99
3. Super Street Fighter II HD Turbo Remix 14.99
4. Uncharted: Drake's Fortune 41.99
5. Dead Space 29.99
6. Super Stardust HD 7.99
7. Far Cry 2 39.95

  ~ $250-$300

8. Save rest of money for Killzone 2/Prince of Persia/God of War 3

Oh, sorry mate. I forgot to say that I'm from Australia. That's equivalent to about 3-5 games in Australian dollars. Thanks for the reply, though.

3-5 games eh?

you should really get Uncharted and maybe heavenly sword but its short.