ooops... I've been misunderstood.
What I meant was that grey screens are preferable for DLPS.
Not that Da-Lite screens are...
(it's just that Da-Lite are much cheaper than Stewart screens, and nearly as good).
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Roman
"
Knowing I loved my DVDs, He furnish'd me from mine own library with volumes that I prize above my dukedom."
(That's what Shakespeare would have written today, right?)