Spikes in speed at 60FPS

[admin89]

Quote:My CPU is quite aged by now but it's still pretty decent.

for anything aside from Dolphin . Keep in mind Dolphin is a dual core application
Your CPU is slow for Dolphin due to low single threaded performance . It's a good thing that SSBB isn't a demanding game like Xenoblade , The Last Story , Mario Galaxy ....
Dolphin Benchmark

Quote: (Stock speeds, my PSU is so old now it will no longer run my OC stable)

Too bad , I was about to convince you to do that

Quote:I'd be happy to run 1.5x native and 4x AA, that's all I really need.

Afaik , AMD 7950 Boost can handle most games at 4xIR , no AA or 2xAA , 16xAF . Yeah , your GPU isn't a problem , not one bit