Yea, what is your handicap and how do you like to hit the ball off the tee (shot shape, average distance, and accuracy)? The Graffaloy Blue is a really nice shaft if you have a moderate to high swing speed.
On a side note, the R7 is pretty much the best driver I have ever tried, I just swapped out my Big Bertha II for one about a month ago, and before that I played the Cleveland 330 for a couple years. The new Titleist is nice, but I would take a R7 or a BBII over it any day.