Thinking of leaving the dark side of the force and coming back towards the light Paul ?
I bought a 2 " orion ultrablock last year and have been pretty happy with it
http://www.excelsis.com/1.0/entry.ph...=26&entryid=12
http://www.prairieastronomyclub.org/filters.htm
I had a lumicon uhc and they both seem to do a similar job though at the time I bought
them the ultrablock was half the price
If you can wait a while they often run a summer sale in a few months.