mad for it only deal in second hand parts as far as I'm aware. Can't comment on them as a business as I've never dealt with them. Before fitting the new clutch it's worth having the face of the flywheel skimmed to ensure a proper surface.
CTS are contactable at
www.gearboxman.co.uk I believe they are based over Luton way in Bedfordshire. I use a Bernie (CTS) box myself and despite having 250bhp stuffed through it it hasn't skipped a beat since being fitted. I really can't recomend this guy highly enough.