Yeah, if I'm going to do it, I should probably play it safe I guess like you, instead of possibly ending up with a ride that I end up hating, like this poor guy did:
http://x3.xbimmers.com/forums/showthread.php?t=829676
Or I might as well get nice KW V2 coilovers and be done with it!
Adjustable dampening, so should be able to play with the firmness at least.