I have the PT-AE1000U that I got from projectorpeople.com. I hadn't even had it installed yet when the PT-AE2000U came out. I'm currently very happy with the 1000U. The picture seems pretty darn good to me. I'm not sure what changes were made to the 2000U, but if Panasonic made improvements over the 1000U then the 2000U must be pretty good too. I have not seen the other projectors mentioned but with the experience I've had so far with the 1000U, I'd buy another Panasonic if I had to do it all over again.