Those 5100 are really great for the money! Here's my opinion rating on shocks - King > Icon > Foxes > Dirt Logic > Bilstein 5160s > 5100 > Rancho 9000 > 5000. If anything can be better for the front end it would be the coilover conversion from Atomic.
Bilstein and the atomic coil over. That's what I'm hoping to do. Fill bushings come first though. Came across this thread looking for bushing threads.