How do you know the optoma is "better performing" if it has not been released yet? Have you compared the two projectors side-by-side?
Personally I am a huge football fan, so for me this decision was a no-brainer. I could have waited a few weeks/months to save some money when prices drop, but in the process I would have missed watching an entire football season on a kick-ass 110-inch screen. So I bought the Panny a couple of weeks ago.
Roy C., if you have the money, I say go for it. If the next generation of projectors really will be as cheap as advertised, you can buy two -- a Panny now and an Optoma then!