Hi Emma
Transforum is a group if you are more on the TS side of things. They meet on the last Saturday of each month. Google "Transforum Manchester" and you should find links to both their website and their facebook page. Next TransForum Meeting is today Saturday 28th November from 3.30pm at the LGBT Foundation, 5 Richmond Street Manchester M1 3HF
The organiser is Jenny-Anne.
If you are more on the TV/CD side of things then either Northern Concorde or Manchester Concorde (I can't remember which) is also available. I only went there once.