I hit the D3 farther.  I was originally playing the 907D1 (460 CC) and figured I would lose distance.  The cary distance was just a touch longer with the 910 D3, but the total distance was better.  You can't really go wrong with either one. 

Hi Iv'e just ordered the 910F 17 deg with for me the Kai'li setting B2 ( not as strong nowadays)

The F is IMHO a really great club with a proper sized head for this loft fairway that will work from a variety of lies.  Sets up geat behind the…

The new products come out every two years.

Because the 910 drivers just came out, the new irons will come out next year. 

Some people keep their couch covered in plastic...  To each his own.  I guess that's why they make iron covers.