no worries - I had to deal with some of it a long time ago, but it really didn't hit home until I started learning how things get done real-time style @ work. It's kinda fun (in an evil way) to see the look of dread in an coder's eyes - especially when he has compile it all against an ARM-based HD video controller chip.

It's not as evil in our (3d artist app) end of it, esp. with Poser and D|S being very quad-friendly ('divide by two' is an easy enough function to include and doesn't stress things by too much) but calculating against anything bigger for OGL or DX? well... still sucks.

/P