I'll get shot full o' holes for this, but here goes: don't do a projector. That project will drain your resources unless you just develop a set of specs and get the major manufacturers to bid on it and then you do an O.E.M. deal and have them take one of their models, tweak it to your specs and re-badge it with your logo. Even that will require major resource dedication. I know: my company has done this for a few years and we are developing some advanced proprietary projectors of our own currently. Our market is the meetings and presentations market, not home theater, but I'm involved daily and I think your resources would be better spent (with better return) focusing on the audio portion of HT, where you've been so successful. I look forward to your pre/pros!
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"Do you expect me to talk?"
"No Mr. Bond, I expect you to die!"