As far as chargers go, there are lots of chargers that are alot of NiCad/NiMh chargers that are fine. If you want to add the ability to to also charge Li-Po's, some popular choices are the Hobbico
http://www2.towerhobbies.com/cgi-bin...?&I=LXCTZ5&P=0 & the Triton
http://www2.towerhobbies.com/cgi-bin...&I=LXCJG7&P=ML
I noticed that you posted on this other thread already. Perhaps your other questions are answered here.
http://www.rcuniverse.com/forum/Sorr...1890043/tm.htm
Have fun,
Brad