Hey, is it possible to make a very budget dekstop?

[Budget] Max rm800

[Purpose] On9, play dota, sumtimes using autocad

[Hardwares that will be re-use] chasis, monitor

[Monitor resolution] already got 19"

[Games & softwares that use frequently] dota & autocad

may i know the cheapest rig i can make using an amd x4 860k cpu.. for playing dota 2 in max settings..

[Budget] rm1.5k if possible, if cant make it rm2k

[Purpose] playing dota 2 in max setting

[Hardwares that will be re-use] only monitor

[Monitor resolution] 19inch i think ( 1366x768 )

[Personal preferences] cpu - amd x4 860k

Hey, im asking on behalf of my friend.. he tried to assemble most 2nd hand part to make a rig for playing dota2 and using autocad..

may i know if these parts work for each other and suggest me a psu too..

cpu - core2duo E8400
ram - 2 x Kingston kvr8002n5/2g
mobo - msi g31tm-p31
hdd - seagate baracuda 7200.12
graphic - asus gtx550 ti gddr5 1gb 192bit (not bought yet)
psu - can suggest 1? (around rm100-150 if possible)