After seeing your post I looked up this company and actually sent them an email. Below is the response that I received.
Good Morning Christopher,
Magnum Screens is, as the song goes, "Just another band out of Boston"
a small Home Theater Screen company in Orlando and Sarasota Fl.
2 years old this spring.
Main sales are 92" and 100" Cinema HD Series Screens ie:http://cgi.ebay.com/ws/eBayISAPI.dll...STRK:MESELX:IT
As you can see from the add we offer an economical alternative to over rated - over priced
fixed screen market ie:
BestBuy 100" fixed screen @ $899.00http://www.bestbuy.com/site/Projecta...&skuId=9438806
A 100" Cinema HD Series cost $129.00 and the actual average FedEx shipping is $60.00
(we take a loss on sales to the state of Washington)
The Cinema Series arrives "Factory Assembled" in huge wooden crate 91"x10"10"
you simply slide on and attach the 2 Black Velour side frame rails and the screen's
ready to hang on the wall.
The actual screen material substrate (base material) is an ultra thick 1/16" rigid plastic
with a micro textured (helps defuse ambient light) hardened viewing suface.
Picture an 8ft credit card rolled long wise into a shipping crate, the top and bottom
velour frame rails are factory attached. The screen is Super Tough and impact resistant,
even Wii controller Proof.
The Cinema HD Series has solid frame rails and can accomodate back lighting
(heavy duty rope light) add a dimmer control, it sets a nice indirect lighting mood
to the theater room. We offer that at $35.00 and it ships with the screen.
7 Day return policy, Full refund less shipping cost.
Phone # (386) 561-9550
Hope that helps, if I can be of any other help just let me know.
PS: What projector are you thinking of using with this screen?
Seems very enticing and their ebay score is at 100% (I dont' know if that means much) I may try it out.