The parts youve listed will be o.k.

But the Spektrum Ed recommended is now fairly universally used by the Robot community.

Youll need two 36v 4QD controllers... one for each motor and yes itll sort out the direction of rotation etc..
http://www.4qd.co.uk/prod/pro.htmlhttp://www.4qd.co.uk/prod/pro.html

Dont forget that youll need a battery charger specifically made for the type of batteries your going to use.