Re: The One-Handed Backhand
Wow, I'd highly recommend you speak to a coach about this shot. I won't even try to give you advice on the technique as it's so tough!
I would say this though, don't be so quick to dis-count the slice. A bit of creative slicing can go a long way, especially if you're a one-hander and they're hitting to your backhand with heavy top-spin...it kicks up awkwardly for a backhand drive but nicely for an attacking slice high to low.
Just hit the shot you feel most comfortable with I'd say. If it feels awkward to hit a drive, then be creative (easier said than done, I know!).