Well the Spectra-L200 at HHO is nearing completion. Just some tweaks and a bit more thought about the CCD connection to facilitate focusing and she will be ready to roll.
http://www.david-higgins.com/l200hho.jpg
This was a rebuild after I stripped a thread on the micrometer locking block (had to strip it down to get to the block and re-thread it) and it was calibrated 'out of the box' so to speak (c/- my mate Phil who provided some details about what I could expect to see).
Cheers