2600 Kv rated motors? which one?

[Revracer]

http://finedesignrc.com/motorsaveox.asp

what about that first aveox? the one for $125. should i just wait a month or so untill i can afford to get twin 2s packs as well. go on and get the feigao 7XL and a mamba max esc, run it on 3s for a while and then get 4s when i can afford it? im still suprized that a 7XL on 3s couldnt pull the wheels up though... my VXL system on 3s can do a standing back flip in an e-maxx. and the maxx ahs aluminum arms bulkheads and towers. so it weighs only a little less than my revo