I have a Tenergy charger for my 3v batteries, can I charge the 16340s with it?
if it is switchable to 3.7v it should be fine. I just got a pair of Minis today, check my thread for pictures... they look pretty good with either all over color or mix and match IMHO.
Off topic: Seeing your nick and avatar, are you a bassist? I play a bit myself.