Summary: I bought the BENQ SP890 projector in Oct 2010 from Amazon and have used it 5-7 hrs. a day since then in my Living Room Home Theater and Computer Network. I am on my 2nd lamp which I changed at 3050 hrs. using Economy Mode and it was still bright enough to enjoy all aspects. Now it's Feb 2013 and about time to change the lamp again having 2050 hrs. on it but still working AOK.
Summary: Personal Experience There is nothing like it out there now, folks. Whopping 4000 ANSI lumen of brightness, serial 9-pin RS232 AND RJ-45 wired network connectivity with a graphical web browser control panel for all functions, like with the big dogs, even a confidence video monitor output. Respectable range with a 1.62:1 to 2.43:1 throw ratio using the 1.5x focal range zoom. Lens shift both V/H. Wow!!! Only downside is the manual zoom and manual focus.