I agree that it is hard to find something better than the Sony 9000 series. The 9000 DVD/SACD player is definately reference class in my opinion. Dad has moved on to the Sony STR DA4300ES (if memory serves correctly), and he is quite happy with it, however I just don't feel the need to upgrade....I'm just so happy with the 9000's. And some may call me crazy.....but isn't 5.1 enough?....especially when your using high end monitors, as opposed to [insert crappy consumer speaker here].
As for bass management.....I am not using the internal crossovers in the E9000, I do all of my bass management with the Outlaw ICBM, and some further processing of the subwoofer channels with the Behringer DCX2496.
The screen is a Da-Lite 'High Contrast Cinema Perf'. The price for this unit was steep enough....I wasn't willing to spend even more on the Stewart....and honestly, the quality of the Da-Lite is first rate.