what type of RAM did you buy? DDR2 or DDR1?
I say get the ECS Mobo + E4500 Combo that Frys usually has on sale for 110 + 2GB OCZ DDR2 Ram ($40) + 8600GT or GTS Video card + CM eXtreme Power 500W and you're set.
If you have money later, just upgrade the mobo to Abit IP35 and you'd be balling.