Repacking the front wheel bearings isn't too hard, but it does take some time. I've done mine twice now and I have followed Kenny's write up both times:
http://www.vehicross.info/showthread...bearing+repack
Couple of special tools needed but nothing too far out there.
"The major difference between a thing that might go wrong and a thing that cannot possibly go wrong is that when a thing that cannot possibly go wrong goes wrong, it usually turns out to be impossible to get at or repair."
-Douglas Adams, Mostly Harmless