I am one of those who helped set up just that site! I must admit it has become rather quiet as of late and some new comers would i'm sure be welcome.
To be able to access it you will need to apply to the moderator, which i believe is fairly straight forward.
the site is at
http://groups.yahoo.com/group/C152/
It would be good to see the site busy again!
When did you train there? I did my PPL at UKFT in the summer of 2000 and i'm going back again to do some hour building there on the 3rd June for 5 weeks this year.
Hope to see you on the site,
Weetabix