I am a beginner flying RC Heli for the first time. Should I buy a nitro or an electric powered heli?

I am a beginner flying RC Heli for the first time.
- Should I buy a nitro or an electric powered heli?
- A 2, 4 or 6 channel radio?
- Any models you'd recommend?
Thanks for your time.

The answer is provided by :
Gort :
First purchase should be a simulator . . RunRyder forum:
http://www.runryder.com/helicopter/f21p1/