Thanks, All of you! Your advices are very important to me!
Raptor 30 is a good heli, I konw. Neverthless, It was a small heli. I wish I could own one more helicopter which was powerful enoguh to do everything and was good value as well.
For your idea, here are the retail prices for those heli kits in Hong Kong
Fury 60 Expert is selling around US$ 780.00
Fury Extreme (with 8.45 gear ratio for YS 80/91) is selling around US$ 1050.00
Hirobo - Sceadu 50 (with all metal parts) is selling around
US$450.00
Hirobo - Freya sst eagle (plain version/ plastic parts) is selling around US$580.00
Hirobo - Freya EX sst eagle (with more metal parts) is selling around US$1000.00
Hirobo - Freya EX WC sst eagle is selling around US$2180.00
Vigor (belt drive) is selling around US$700.00
Vigor CS (tube drive) is selling around US$1030.00
Prices are for kits only without engines.