A new demo showing normal mapping...
Its a torso model that is 700 polys from an original 300,000. The map is screwed up, but I believe the effect is obvious... Gives the illusion of many polys, when in reality his chest and abs are flat and flat colored... The shader code is from Matt Aufderheide...(Thanks!)
This is the demo that will be included with the tutorial Im working on for applying perpixel shading and creating Normal maps for it... This demo is very raw and obviously flawed, Im having a tough time with smoothing groups and/or texture baking the maps (seams and hard edges)...

Get it and the Tutorial here...
Tutorial and Demo