Sureshs... Oh, never mind.
I actually agree with Ash's five basics from my perspective as a junior coach and Open tournament player.
I do, however, believe these basics are applicable across all levels of tennis. (my 80% rally ball isn't as good as Djokovics but it's better than a 4.0s, see?)
5.0 all courter. Dunlop Bio 400T with cyclone @ 50, Dunlop Bio F2.0 Tour for singles..
"Tennis isn't easy" - Corners