ok so heres my specs
apevia x-cruiser with 500w psu
CPU: e5200 ocd to 2.9ghz
2gb gingle ram
Optical Drive: Samsung 20x DVD-RW SATA
MSI G31M3-F

i am currently using the case psu which is actually working fantastic
now i wish to upgrade to a 9600gt and im wondering if the case psu would be able to handle it or should i be fine and save my 40 bucks(which i need :P) im talking aussie money here so :P