check out the zippy packs on hobbycity (hong kong site) they are the cheapest and should beat the maxamps packs. (even if they were the same, the cost difference is quite large)
u will probably want 4s (14.8v, comparable to 15-16 nimh)
hyper 8.5 pro SOLD!
Monster Max Still Working...
JR SX3
Neu 1512 2D/S
12t pinion
4800 zippy-r