1. get the recommended paks buy 3 or 4 of them, charge them at home and get 7-10 minutes out of each

2. personally I wouldnt use a parkflyer rx (micro) in a glow plane unless you fly 1/2a really close in ,not a .40 plane
3.play with it first w/ batt paks,, lipoly needs diff charger, a 400 motor is a much as it will take for now IMHO high$ investment for a foam plane,ESC has to be different for a brushless set up too.

4. retracts on a foamie? thats a personal thing
5. charger do some research, I use a wattage
6. I would go with a 6 ch TX you can get a micro setup with it for your parkflyer and an additonal flightpak for your .40

7. go micro/pico in a parkflyer from pico to mini they triple in size

8.play with it before you throw a lot of money at it..\best advise
oh and have fun with it!! Rog