In my country there's not much selection... the only local manufacturer of motorised screens doesn't produce a quality screen... it's just plain plastic. Any imported screens are 5x the price of my PJ - not quite the right investment!

But the main problem is masking. With all the different projected ratios available, you really need 4-way electric masking, and this really only leaves a Stewart or something expensively similar.

Ken Silver
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~1993 SL500, glistening triple black, xenons: http://www.kensilver.com/SL
~1999 SLK 230 Kompressor, silver /black, CD, immaculate (my wife's)
~1991 Daimler, shiny grey / grey leather, best in country!
~ex 350SL, 230E, 280E, MX5 and a lot of other makes not nearly as nice.