If you are thinking of the World Passport Collection (RCI Exchanges), I posted very brief highlights from some we've visited in the thread pasted below. Took me several posts, so the thoughts are scattered thoughout the thread.
http://www.www.disboards.com/showthread.php?t=2416747
A great source for resort reviews is the Timeshare Users Group (
TUG). The reviews are a "membership" restricted feature but membership is cheap.