Actually while the A30 28S is popular, 40% of the kits we have sold have gone out with this motor
http://www.atlantahobby.com/shopexd.asp?id=5953 (back in stock on the 27th). For a high power solution this is the motor of choice
http://www.atlantahobby.com/shopexd.asp?id=5971
Hope this helps.
Cliff