Look here:
http://www2.towerhobbies.com/cgi-bin...I=LXMHD1**&P=0
Aluminum parts are WAY too expensive.
Trex SE parts are cheaper..... You decide....
Axe CP does not have Bell-Hiller mixing on the rotor head, so you in theory get better rotor control and inverted flight with equal pit each way with the most accuracy on the CP Pro...
CP Pro comes with a $40.00 lipo...... 14-15 min flight times..