> So, that leaves UT3Ed, which was nearly unusable.  So, I took a break 
> from it to give Handbrake a chance to finish encoding, and played some 
> flash games on the web (which I found were almost as CPU intensive as UT3!)

I'm still in the look for a good game to play while waiting for renders. 
Playing a CPu-hog game while waiting for a render to finish is 
counter-productive. My biggest problem isn't intensive games... but 
games that always use 100%. Doesn't matter how fast your CPU is, always 
100%. It's clear they have some busy loop (polling instead of blocking 
for events, for example).

Bejeweled 2 is great but eats 100% CPU (well, only one core). I can't 
figure out why... If I use it in windowed mode, I notice it doesn't use 
CPU while the window is unfocused. However, mouse hover effects still 
work while window is unfocused, and CPU usage isn't very significant, so 
it's not the graphics. Busy loop on the sound handling?

I remember a Sega emulator that used 100% CPU, unless sound was disabled 
and VSync enabled. So, sound was eating all CPU, and video was rendering 
as fast as it could instead of keeping a constant framerate (VSync would 
keep its framerate locked at your monitor refresh rate).

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