If you want hardcore gaming as well as this budget,such a solution actually won't turn out to be very good especially in the future.
For abt 35k
Amd 2800 64 + Asus K8N(try to oc?),abt 10k,can be higher
512mb ddr 400 hynix,go with d43 chips may be,ask others abt ocablility,abt 2200-2400
80gb hd-abt 2650
cabinet + 400watts zebtroncis psu ,abt 1.5k
dvd rom abt 1500
microsoft internet kb-black + microsoft ms optical wheel mouse if you find it if not then basic optical mouse,all in black,approx prices
480,800-850,450-500
15"monitor for abt 4.5k
2ch speakers for abt 1k at max by creative or altec,altec might be better,consider altec
128mb geforce 6600 128bit memory interface agp
if not this then radeon 9600pro 128bit momeroy interface
though for doom3 6200 georce may be better
also,if not this then 6200 georce
though this is not a very good gamign rig and you must try to spend more
