I hadn't even thought of a little LiFe battery - I'm using them in some of my bigger planes already, so I may go that route. I already have the HobbyKing [link=http://www.hobbyking.com/hobbyking/store/__10327__HobbyKing_Quattro_4x6S_Lithium_Polymer_Mu lti_Charger_.html]Quattro charger,[/link] which I'm told uses the same circuitry as the Turnigy 6 - or four of them, rather.
edit: Doh! Backordered. [:@]