try imageshack
they're pretty good
bearings:
atomicmods has nice ceramic ones, but they're pretty expensive, so i'd recommend
http://www.vxb.com/
just find the xmod bearing section
make sure to get a good lithium charger for the lith kit.
tripleXmodder can do a 2x2 stack for 20 bucks, including the fets, it's a good deal.
and it uses the 4562 fets that are hellas expensive on atomicmods.