Honestly, you can tell the difference in that 3lbs of difference on mains and crosses? I think you should hit with the frame a bit more and let it settle in, and then decide if it is worth it to cut out. I mean once it settles in and the tension drops off, the strings should play better.
2012 Babolat Pure Drive Roddick Plus
2012 Babolat Pure Drive Roddick Standard