Which would be better

[megadelayed]

what should i do
upgrade cpu from celeron m530 to core 2 duo t5550
or
upgrade ram from 1gb to 2 gb

 

[Bacterius]

what should i do
upgrade cpu from celeron m530 to core 2 duo t5550
or
upgrade ram from 1gb to 2 gb

I would upgrade both to be honest, but the most important is the CPU. Just make sure you get that one more gig of RAM to prevent excessive disk thrashing while multitasking/playing.