I am not 100% positive but Berg's boat is a 2001 Mobius V so I was thinking that it's the same hull size as my 07 OBV. Please correct me if I'm wrong. When I completely fill my 750 it fills the locker completely full from front to back and side to side but there is a bit of space from the top of the bag to the underside of the locker door. So I am not so sure there is much to gain by going to the 1100? I believe the 1100 is the same length as the 750 but is 4" wider and 4" higher.