You can find more information about projector screens for sale at the shops that sell them. Projector Pros, Staples, Best Buy, and Amazon all have information about projector screens.
You can find more information about the epson projector S3 on the epson website. Don't confused that with epson salt, or you'll really be confused when you go there.
If you are looking for more information on where can you find more information on an LCD protector, the best place to look is on www.projectorcentral.com/lcd_dlp.htm
There are many sources of information about movie screens across the internet. The most thorough information can be found from How Stuff Works, which published an article about how movie screens work and how they have changed over the years.
You can find more information on projection screen online and at an electronics store. At an electronics store like best buy, the staff will be able to give you accurate information.
If a white screen is displayed, one should contact the company that manufactures the device that the White screen appeared on. Additionally asking friends who may know the answer will help you find out more about white screens.
You may get more information about projector rental if you check the yellow pages, you will get a variety of information about their contact information so that you can call.
This would mostly depend on how strong your projector is. The local drive in theater screens are 3 stories tall, but their projectors are water cooled. More importantly is the ratio of the screen to the size of the room and the position of the viewer. My home theatre is 14' wide by 22' deep and I have a screen that is about 10'diagonal (in a 16:9 ratio).
Projector Central is a website that offers a variety of information on film projectors both for movie theaters and for personal use. In addition they do buy and sell projectors both new and antiques.
You can rent projectors from stationary stores. Or you can buy them from big box stationary stores such as Staples or Office Depot. They have employees who can help you there.
Multimedia Projector disadvantages
A good projector will have 2000 or more lumens, but an LED projector will have much less.
One option might be ASUS. See related links for more information.