Why flatout? I've owned a reflection flatout, it flew pretty good but it was a PAIN to assemble. Anyways, I would consider other foamies also.. If I didnt convince you, I will still give you a good setup.
Rimfire 1000-22m (recommended one)
BL-12amp esc
Thunder power 910mah 3cell 11.1 lipo, gives you 12 min flight time or a 1320mah which gives you maybe even 20 minutes
Any micro receiver, I like 05s from hitec
HS-55 servos
I think the recommended 640mah pack is too small because it gave me only 5 minutes flights..
Good luck with electrics, they take sometime to understand but they are great once you get used to this stuff
Paul Teesalu