Re: What tennis racquet do u use?
Power is directly related to the swing weight, so if you want a more powerful racket you should go for one which has a higher swing weight than average rackets (i.e. larger than 315-320), and I suggest you pick a headlight one rather than a head heavy racket.
I do believe that Prince racket's breaking strings sooner than other rackets is a myth. The Exo3 grommets make the strings move and snap back easier which does not necessarily contribute to strings breaking. Playing top spin shot, on the other hand does break your strings earlier. If you are particularly concerned about that, you can either buy a racket with a closed string pattern (18 x 20), or use polyester strings in the mains, or even having a full bed of poly.
Championship: TP3 Wimbledon 2011, Suicide Tennis New Haven 2011
RUP: TT Doubles AO 2012
May the HAMMER smash the cross