driveshaft lengths

are different driveshafts about that are shorter/longer from like mk2/3/4/5 golf, polo etc does anyone know? what about the lengths of them?

Hi - the information gathered so far on this that I know of has been posted here:

http://www.clubgti.co.uk/forum/showthread.php?t=155374

(btw, I've put a pasted in a few links across to CGTI today, but pls don't take it as if I'm dragging traffic - just trying to help).