I used the company mentioned in the 2nd post as they were the only firm I could find who would take on the caliper refurb. However I would strongly recommend that no one else uses them based on the experience I had. See the following link:
http://www.vx220.org...dvice-required/
In short, the calipers returned and looked great, freshly painted with new seals etc. I rebuilt the car and delivered it to my local specialist to set the geo and look at the handbrake that I couldnt get right. He did his best but both calipers were flagged up as a fail come MOT time. There was an issue with the handbrake adjuster on both of them and pointed towards incorrect re-assembly. I complained and returned the calipers. 6months later several threats of the small claims court I was refunded after they told me they were on the brink of going out of business.
Maybe I just had a bad experience, but just my 2p.
Edited by jamesclarkson, 18 October 2013 - 08:29 AM.