Hey vectorman,
realtime bumb-mapping are supported by more and more game-graphic-boards which makes detailed modelling for games a bit different than ealier. you might want to check this page:
https://crytek.com/screenshots/index....px=poly_04.jpg
I think I've heard that a similar tool is being developed for maya!
Jeppe
Jeppe Nygaard Christensen
Ghost aps, Denmark
https://www.ghost.dk