V8 seat options?

[ScottyCBoy at aol.com]

I've got a pair of rather worn seat in my V8 5spd, and am looking for options 
as for replacements. I understand that V8's did have sport seats, but every 
pair I've seen has had shrunken leather or worn foams. Here are some other 
seats I am considering but am undsure of fitment. Any BTDTs on these?

1992-1997 S4/S6 seats? Do the front and rear seats fit?
200-2004 A6 4.2 These have a "Sport" Version
2000-2002 S4 seats I'd be willing to bet that the rear seat is way too small, 
but what about the fronts?

Thanks!