You definitely DON'T want to change settings during a tournament round. That's a violation of the rules. Hit some range balls before you play to determine which ball flight you're most comfortable with/is best for the course you're playing. …

The 2011 ball will launch just a shade higher than the 2010 ball. Also, the 2011 seems to be marginally softer and seemingly more durable. So far, I'm really enjoying the new Pro V1x.

What is the swing speed range for regular, stiff, x-stiff flexes?

_{Your looking at around 15 to 20 a shaft around 7 for  a new grip and maybe 10-30 for laber per club depending on who dose the work but they might give you a bulk discount on the laber. Golf smith has some good prices on shafts and grips.}