Check out the http://www.pinkbike.com/forum/
Talk about various issues, plan out rides and trips, find new people to ride with, find out about new trails, complain that the DH riders are too slow up hill, complain that the XC riders are too slow downhill.. - Wait...forget about the last two.
Take a look at the thread about trail closures on Mnt. Norquay
.It is an issue that everyone should have something to say about, so join in and voice your opinion.