Contemplating having a bit of a PC upgrade.

Budget 500 and with that I just need a mobo/cpu/gpu/psu

Pretty certain I'll go for a Corsair semi-modular PSU but if there's something better...

I have a m-atx case, 1 ssd, 1 hdd, 8gb corsair vengeance ram and Asus Xonar sound card to use with it.
I might spend about another 100 ish to get a new case and a 1tb hybrid drive to replace the old hdd and just fancy a new case.

8gb ram will be fine for a while wont it?