I'd go an SBIG ST8300 and filter wheel plus narrowband filters.
Scope could be a number of refractors around 100mm and an ED doublet or triplet.
I think Orion was advertising an ED triplet 102 for a good price.
You could go 2nd hand from Astromart to get even more value for money.
Here's a couple:
http://www.astromart.com/classifieds...fied_id=727102
http://www.astromart.com/classifieds...fied_id=726545
Greg.