I was considering the 10mm Orion highlight mentioned in this post:
http://www.iceinspace.com.au/forum/s...d.php?t=134697
It would surely have to be a step up from the one I have?
Or there are these:
http://www.iceinspace.com.au/forum/s...d.php?t=133827
To be honest I'm not really sure what to look for.