A member asked the question at last night's meeting at The Old Talbot about having their seat backs repainted (owing to the previous owner having scratched them with a brief case). By coincidence, there's a post about having this done on 911uk.com - £200 at an official Porsche body shop:
http://911uk.com/viewtopic.php?t=76363
http://911uk.com/viewtopic.php?t=76363