Since you are buying a Pulse (which I heavilly endorse), my heartiest suggestion is to read this:

http://www.rcgroups.com/forums/showthread.php?t=632497

It's a very stout motor. The Pulse would probably be ok if you braced the tail and sealed all the control surfaces. the Pulse is pretty quick just the way it is.

This is with the stock Evo 46 engine........ http://largoflyingclub.com/app06/pulse.wmv

Opooops! wrong link. This is the one with the Pulse strafeing runs.

http://largoflyingclub.com/video/austinpls.wmv