This has been done! I received an email from Mr. Steven, who was very nice in getting back to me about this!!! Here's the skinny:
There are three variables to the feed URL, and this allows you to create your own feed for whichever forum or topic. You can select how many of the newest articles you would like to see when your feed gets queried, as well as all repies to all topics, or just new topics!
The three variables are (f)orum, (c)ount, and (t)opics ... The value of F is the number of the forum, which can be retreived from the URL when you are looking at that forum. The C variable is the count of new posts (like 20 for the newest 20 posts), and T is a true or false (default false if omitted) value for new topics only.
if you want the annoucements forum you would use this
http://www.xlobby.com/forum/rss.php?f=4
and for more new posts use something like this
http://www.xlobby.com/forum/rss.php?f=4&c=10&t=1
Update: It appears that all of these options are optional... The default for F is all new posts from all forums... and the default for C appears to be 15:
http://www.xlobby.com/forum/rss.php
Thanks,
Thomas[/b]