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That's a tough one, PNs and Galaxies in light pollution. You should be able to get the brighter ones.
As far as scope goes, you will need 1500mm focal length or thereabouts, a smaller chipped camera like the 8300 or the new Sony 694 chipped cameras. 8 to 10 inch scope should get you there.
Not sure the comment about fast would be no good because of light pollution. Why would a fast scope be more effect of light pollution? (perhaps it is, I am just unaware of an optical reason for that).
I know DSLRs get limited by sky glow faster than astro CCDs.Is it more the camera and less the scope?
The solution to light pollution is usually a light pollution filter and shorter exposures. Also excellent gradient processing (there are several techniques).
Greg.
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