The MCM (movies, comic and media) expo is... in short, a mass gathering of cosplayers and geeks in a giant convention hall which aims to promote the anime and film culture. It occurs in England, at least 3 or 4 time yearly. For a more accurate description, you're best checking the website because AmethystEyes' descriptive style is incredibly limited XD
www.londonexpo.com/messageboard
Anyway, I hope that by setting up this group we can get more and more cosplayers to come to this event so we can promote this new craze to the rest of England! You can also check the MCM forum where the other non cosspace members are