Want a BenQ but worried about placement
I also have an HT2050 and while I wouldn't go as far as to say it's extremely quiet it's that innocuous fan noise that seems to blend into the background. It doesn't bother me but then I've always owned plasmas that also had fans so I'm used to it. It's much more tolerable than the lower priced projectors I've sampled but obviously louder than something like a Sony 45ES which is all but dead silent.
What to do if you find yourself stuck with no hope of rescue:
Consider yourself lucky that life has been good to you so far. Alternatively, if life hasn't been good to you so far, which given your present circumstances seems to be more likely, consider yourself lucky that it won't be troubling you much longer...
-- Excerpt from the Hitchhiker's Guide to the Galaxy.