http://www.kitlocker.com/ecommerce/ (http://www.kitlocker.com/ecommerce/)
Comments/suggestions/questions welcome :)
We also run a bunch of 'clone' sites for different universities/clubs. Examples:
http://www.kitlocker.com/hallam/ (http://www.kitlocker.com/hallam/)
http://www.soccerscenestore.com/ (http://www.soccerscenestore.com/)