It's not clear whether the 1080p UB will have a dynamic iris, though with the stated specs, I would expect it to have one.
Where did you read that it has a 4500:1 native CR?
Cine4home did a report on the TW2000/Powelite UB. You can check it out here:http://babelfish.altavista.com/babel...ldpremiere.htm
The TW2000/Powerlite UB will have a native contrast of 4500:1, and with dynamic iris, 50,000:1. Cine4home saw a demo of the unit with the dynamic iris *disabled*, and was VERY impressed with the black levels. Here are his words after seeing the TW2000/Powerlite UB, in action (with the dynamic iris off. Bablefished from german):
The demonstration started with dark pictorial material and one could directly a picture of the schwarzwert make itself. The visual result was actual thereby impressing. The black worked really darkly and disturbed the film enterprise no longer. At the same time however bright was picture elements radiating and provided in such a way for a high Inbildkontrast. Obviously the TW2000 offers also visually a higher picture plasticity opposite its small brother TW1000. Like our first impression the TW2000 with switched off screen looks already better, than a TW1000 with more activated. Over the actual net brightness in the theatre mode we have unfortunately no exact information, estimate however, which the TW2000 here approximately 20% to 30% won. In any case one was appropriate the brightness for the large canvas. As soon as we receive a first test copy, we will publish like used exact measuring data.
Both by DVD and Blu ray, the latter in the native 1080/24p format was passed on. And also in this discipline the TW2000 did not afford weaknesses: It illustrated the highly soluble pictorial material sharply and highly detailed and showed no Ruckeln, a complete 24p-Kompatibilitaet is ensured thereby. Altogether we can congratulate to engineers after this first presentation to their product, to which TW2000 will surely belong this year to one to the best its class... Follow more information in our test....
I just received the Epson Home 1080
Does anybody know what the main difference is?
Is it something to be worried about?
In my opninion, you SHOULD be worried. In fact, if you can take your unit back for a refund (or for a backorder on the Powerlite UB), then by all means, DO IT.
The Powerlite UB seems to be the biggest thing that happened to LCD projection, since the introduction of the first 720p LCD.
In the follwing graph, Epson is showing how dramatic the change in black levels with the Powerlite UB
Believe me, you do NOT want to have the 2006 model, while you can get the 2007 model.
The Powerlite UB is the first LCD projector to successfully address the weakest point of LCD projectors - native black levels.