The forums at realbeer.com are awesome for the home brewer or anyone interested in home brewing IMHO. In addition to home brewing, they discuss everything about beer. Kegerators, different beer varieties and even off topic discussions. I think Micro Matic even advertises on their site.
Here is a link to a current discussion that mentions kegging in corny kegs:
Realbeer.com Beer Community - New guy questions
Feel free to jump in or post your own questions. That's the thing about realbeer.com, even if a question has been asked a million times, nobody ever seems to refuse to help.