Couple of comments after setting up the projector and few movies. Distance to the screen is roughly 4.3m from the lens. Projector stands on it's own feet close to ceiling (roughly at 2.7m) so quite much vertical lens shifting is needed. Horizontally it is at the middle of the screen. Screen (1.0g) size is ~122inch (2.7m wide) and it is a tilted a bit (bottom is around 10cm closer to viewer than top of the screen) to get better geometry (not perfect). Otherwise the size is spot on to my liking.
PQ is pretty good. In the middle (vertically) the image is not as sharp as it is at top and bottom. Black is quite nice. The room itself should be more darker (gray walls and ceiling, dark brown floor) to improve the situation but it's pretty good. Dynamic iris seemed quite nice in the beginning but quite soon it started to irritate because the whole picture changed too much when the iris got changed.
Played also a bit with 3D but I don't like it. Technically it works. Ocean 3D actually looks good but Avatar, Dredd, Cars 2 and couple of other movies which I played for short periods didn't bring much to the movie. Start of the Dredd was very nice but after the opening panning of the city the 3D didn't give added value to me. Actually the 3D made me loose the focus on the movie itself as I was focusing in 3D aspects of the movie. And subtitles themselves were causing severe problems - not technically that much but when looking at 3D picture where subtitles are somewhere in Z-depth caused continuous focus searching between movie itself and subtitles. Well, I tried 3D with Panasonic TV before buying the projector and was not convinced about it then (again, not the technical implementation or quality but the added value it brings - or in my case tries to bring to movie) thus this was not a deciding factor when choosing the projector. Earlier I watched Cars 2 in movie theater in 3D and was not convinced of it back then either. So, I'll keep on waiting proper holodeck
Noise part of the projector is pretty OK. It's not silent but it doesn't disturb either. Lamp is in high mode. High is mandatory to get bright enough picture for my taste.
So, all in all I'm happy to have this projector - which is my first one. Oh, and no heat issues after those cards were changed.
Previously I've been watching movies from PC/Laptop (24"/15") and TV (32" to 50"). It was interesting to find out from the same movies how much more there is to see when the picture size is much bigger. Some flicks tend to become almost new movies to me