For installation and setup procedure, just follow the manual and use the default one, once you're familiar with it, you can fine tune the setting such as power profile, drag brake etc
Price range is really wide, depends on the brand and motor you choose, but no less than $1000.
How is your speed, Which turns of motor you prefer, since brushless motor also has different class, please gain more brushless system, than you have to decide which type of combo is suitable for you. You may check check novak offical web to gain more brushless system information. Nowadays, a lot brushless system already avaliable in KWS, you should pick the one suitable for you.... I suggest you buy novak..... price from 1350-1800. include brushless ESC and motor!! Enjoy RC with good health!!!