cs aint grafix heavy...so a mid range card will serve u well
intel E2140---at abt 2.7k max
biostar tp35--at abt 4.6k max
this combo u can oc to decent levels on stock cooling
i gb ddr2 800 transcend 1.1k
zebronics 8600gt 256mb gddr3 at abt 4.5k
zebby bijee with zebby 400w smps 1.6k
since u`ll be dwlding so a big hdd is recommended Seagate 320 GB at 3.5k
grand total= 18k tada..ofcourse the optical drive cudnt be accomodated
for amd config it wud be like
mobo ---jetaway M2A692-GDG at abt 2.6k
now in cpus u have many choices..the 4000+ comes for abt 2.7k while the 4200+ and 4400+ are abt 3.2 and 3.7k ....