Totally agree.. CdC is amazing... it does the job adequately and quite frankly, I do not understand some people even considering commercial software when something like this is available to all of us (apart from professionals.. they can claim the cost as business expense I guess).
I would still contact the author.. I am sure he wont mind :-)
BTW, have you seen this page?
http://www.ap-i.net/skychart/en/news/ucac3_catalog
At the bottom there are some hints for catgen use..