You thought I was joking? ;p
Rendering takes a bit of time, and no full shader support in DirectX, but aside from that, any basic OpenGL and stuffs work fine. Which means... you can use the EeePC to work on quite a number of scenes.
As for render speed, it depends. For example, this one took like... 10s:
I'd have some screenshots of Flash and Photoshop as well, but... I'm lazy...
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cChip interpreter WIP - current status: Release Candidate
LRx Filter RC - current performance rating: 9/10