If you are serious about the game and want the best driver to suit YOU, visit your local professional club maker.
http://www.proclubmakers.org/ They will pick a head and shaft that will match your swing to give you the best results possible. Don't discount what they are selling because it doesn't have
Titleist,
callaway or Tayormade (or any other OEM names) - it's the performance of the club that's most important. The name on the club only says how much you paid for it.