25mm front and 30mm rear look awesome! Get a set of camber bolts for the front.
The wheels will suck in slightly from being lowered on your springs and look perfectly flush. You can always go with slightly smaller spacers for a more conservative look. 20mm front 25mm rear.
POST# 83 Pics of 25 front and 30 rear @ stock height.
http://www.ft86club.com/forums/showt...t=59838&page=6