These are suggestions. I'm sure you'll get plenty others.

An OS engine either a 32 or 37 if you can afford it.

Futaba 9CH or 9CH Super for a radio

Futaba GY401 with a 9254 or 9253 digtial servo.

A set of hardened hex drivers. Ball link pliers, a pitch gauge. You'll need a starter and glow driver as well. Not sure how the hawk is configured so I can't say wether you'll need a hex drive or a hex drive with a 1 way bearing.

There's decent sims like RealFlight g2 thats pretty affordable or you may want to go better and get the G3. I've heard Reflex is good also but i've never flown on it.

http://www.heliproz.com is HeliProz web site and Ricks is http://www.ronlund.com both are great online mail order shops with excellent prices and above and beyond customer service.