I am 6'6" and I agree with you that overall it has plenty of room. I have aroun1650 miles on my Viking and I have had it about the same time as you. I agree that more power would be nice but it has yet failed to get me where I am going. I still have the stock tires and was wondering how the lift and bigger tires effected the ride. I like the windshield and was ready to get one however for the fact that you are nearly as tall as me I might end up with the same eye level problem. One last thing is ; Have you had any problem with your emergency brake not holding. I tried to adjust mine but I still can't get it to really grab as it should. Hey videos you put up.
Gary ive had the ebrake adjusted everytime its been in for service. as far as the lift affecting the ride not at all, tires have made it a little more rough. The only thing that affected any handling was removing the rear swaybar to accommodate the lift. I dont ride at high speeds much so its not a big concern