I'm pretty much an all-court player. I like serious practice sessions, working on specific strokes, volleys, and various other drills.
I'm a Wilson guy - currently play with the K Pro Tour.
I string my own racquets, been doing that for a little over a year.
Check out my friends website: www.essentialtennis.com
He puts out a free podcast every week and there is a member forum as well! He also runs tennis clinics across the US a few times a year.