I took the plunge and upgraded to a 147N (34lbs) Jet Central Cheetah SP. I must say I like it!! With the JetsMunt Merlin 100xbl my top speed was in the 160's, know lets just say I'm around 199.7 mph. Everything fit great and no extra lead needed to balance (removed lead needed for the 100 and a 2S 2200mah lipo and added the 3S Life 3800 for the Cheetah) at about 27.6 lbs AUW with 34 lbs or thrust. Also want to thank one of our GA Jets Club members Desert Fox 1(youtube: Rmshump) for taking such great videos and doing such a great job of editing!!! Enjoy!!