I've been demo'ing the F3.0 Tour this week (strung w/ Silk). I was looking for comfortable frames since I get TE on and off and added the F3.0 Tour to the demo order as an afterthought.
I like it more than the Bio 300 Tour in stock form ... really solid volleying stick, good pop, and more access to spin. Torsional stability is good (check out the F3.0's Twistweight at TW University). I enjoyed serving with it too, not sure why that was.
It feels fairly stiff to me, but off-center shots didn't punish my elbow like other stiff frames have in the past. Still, I probably wouldn't recommend the F3.0 Tour to those with TE issues.
Good addition to the Dunlop stable.