Got some questions

[CacoFFF]

That's weird, the E2180 shouldn't give such awful results when clocked at 3.2ghz, mine's at 2.3ghz and GC games go from 30 -50, wii 20 - 40 fps.

Have you disabled any kind of special effects, aero, useless programs or whatever in the background?

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Fps = frames rendered.
Vps = cpu updates.

Speed in games like Zeldas and Super Marios is limited by the FPS, in games like SSBB is limited by VPS. So the higher the better.
Most GC games will throw equal VPS and FPS though.