grizzle, i sent you a pm on this.
bottom line is that it should be awesome. the 3pm is a sweet radio, that really never needs to be upgraded. it's light and has all the essential functions an electric racer needs, and more. and the fasst system in the 3pk has been awesome for everone that i know, so i can't imagine why combining the two to create a moderately priced system could be wrong. as with all futaba stuff, i'm sure it's going to be bulletproof.
that radio with the fasst system (no metal antenna) and a lipo pack would probably be lighter than air itself. that seriously would be sweet.