If you are interested in going over and saying Hi/Welcome or giving some tips for future visits to the 'burgh, here are the boards that I've found (I also started a welcome from Pitt thread at each):
Cal: https://bearinsider.com/forums/2
Stanford: https://thecardboard.org/board/forumdisplay.php?fid=5
SMU: http://www.ponyfans.com/phpBB3/viewforum.php?f=1
Cal: https://bearinsider.com/forums/2
Stanford: https://thecardboard.org/board/forumdisplay.php?fid=5
SMU: http://www.ponyfans.com/phpBB3/viewforum.php?f=1