-please help... i' m planning to upgrade my PC but i dont know where to start..
SPECS

xenxa na pang pinobre lng)
MOBO: ASUS P5KPL -AMSE
PROC: INTEL E5200 @ 2.50GHZ
MEMRAM: 2x 1Gb KINGSTON ddr2 800mhz
CASE&PSU: IRIS (ambot wala q kabalo sa complete name/code-> naa ni xa stock nga PSU(curently using)
VC: Emaxx nVidia 9400GT 1gb 128bit ddr2
COOLING: air, 1xPSU, x4(gagmay) case fan<1x rear, 2x side, 1x front>
asa mn q magsugod? PSU? PROC? RAM? VC? and need ba nga usbon nq aq cooling system?
budget: dli lng q mo mention(kay way budget hehehe)suggest lng mo as long as ang price is worthy for the perfomance boost...(and NO to OC lng sa.)