Dalite model B .. any good ?  

I'm sure other will chime in, but I use one and it seems to be just fine. It has been asked here many times if the more expensive screens ($2k and up) are worth it. The answer always seems to be yes. I personally would have to see a very serious improvement before spending that much more, but then again I'm not a perfectionist when it comes to HT. So, to answer your question, for the price (usually under $200) I don't think you can go wrong. At least it’s not a big loss if you find it disappointing.

I use a dalite model b with hi power material, and I think it's great.

It is truly the "no frills no gimmicks" screen. It does it's job. Nothing more.

Good price.

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It's great to have all this great gear. But I'd instead put all that money into software (Movies) I'd have SOMETHING TO WATCH ON ALL THIS GREAT GEAR. Doh!

I had the Model B (i believe video spectra, it was 1.5 gain, i know that for sure) at my old house (building a new one) and I loved the screen itself.

However, I'm replacing it with a fixed screen (I had a pull down). If you have to get a pull down, get one that has the tension on teh sides. The screen itself was outstanding, but after a few months, it started to have waves in it. Really killed the picture in some scenes. I highly recommend a fixed screen.

Just my $.02