Thanks for the nice words!
As Tom said, we are not done "tuning" the flightmodel and I know that the plane feels a tad different from XP11. I sense that it reacts to the controls a bit more "briskly", but I tried reducing control authority but then found it lacking in some extreme cases (slow flight, forward CG, etc). So it may be a matter of tuning deflection times.
The effect at lift-off is realistic, though. The real plane will pitch up readily at Vr, then hesitate notable at around 10 degrees and you have to "learn" to give it more elevator input at around 9 degree to keep the rotation rate smooth, then relax it as you near the normal pitch attitude after liftoff (15-20 deg).
There is a bit of a "nose down" effect in X-Plane as you get close to the ground, it is a realistic effect, but maybe a tad too strong for a 737...it is a function of the plane´s geometry and we have no influence over it. The reason is the stabilizer being in the downwash of the wings during normal flight, but near the ground this downwash is stopped by the ground, so the stabilizer has less "nose up" effect (relative wind not coming from "slightly above" anymore).