New Computer Help!!!

Yea I hope i know some of you out there, I used to play TAC mod/Paintball Mod for T1 anyways I was planning on getting a new computer and any suggestions on what I should get ? I want to price to be lower then 2.5k though... remember its in canadian :P

Here are the details of the computer.

http://secure.ncix.com/pcbuilder/index.php?action=getprice&id=1965747

I think any modern computer can handle TAC.

yea, but i got other games to play as well :P I need some tips on what parts i should buy i guess..

I personally loathe Creative. With that exception your current build seems fine to me.