Sep 15, 2009, 10:00 PM (This post was last modified: Sep 15, 2009, 10:01 PM by Justin.)
Yes, there is one! Go to the downloads page and look to the right. If just a keyword isn't enough, click on "Advanced Options" - there's a whole set of things you can base your search on
(Disclaimer: It looks like I haven't added RCT1 / RCT2 yet, so they probably won't appear in the search results until I add them to the search options later this week)