Any worthwhile radio system is going to be 3-4-6 channel. Steering servo... well local shops tend not to have great selections. You can go cheap, and at first you won't notice the difference, but a "good" servo makes a huge difference as you get better.
The manual will tell you the paint you need to replicate the box art. Budget some masking tape too. And buy white or silver paint to back up the color you paint the body. Since you're going to be bashing, pick up some e6000 or shoe goo, and fiberglass drywall tape. If you're feeling froggy, some aluminum duct sealing tape is a good idea too. You use the aluminum tape where the tires might rub. You use the glue and tape where the body might crack.
You'll want a 4-7000mah 2s lipo pack. And a charger. A "b6" series charger is probally what you should hunt down.