Pack3D (have all 5 versions but really v2 & v5 needed only)
Photoshop CS2
Photoshop CS3
DeepUV
Deep Exploration (CAD Edition) Ven has already seen renders from this program.

Deep Paint 3D
Minitweaker
Max3ds
oh and the highly secret GWX Swiss Army knife.
By far the most used of these is DeepX, you can get a free 30day evaluation. The good thing about this program is that it's drag & drop with relatime changes happening. So I can edit something in PS and the changes are instant in DeepX. Sample Rendering below.