Thought this would be of interest. Never seen this service offered before. Makes a lot of sense to me. You buy your leather, make up the panels, then send it to them to have the perforations punched.
http://cgi.ebay.com.au/Lederperforation-W-108-109-110-111-112-113-114-115_W0QQitemZ110177669096QQihZ001QQcategoryZ76017QQssPageNameZWDVWQQrdZ1QQcmdZViewItem