I have used Volspec for the last 3 years. I get a bit of a discount but it's not alot cheaper then local dealer, but there is some saving even after carriage, they are very helpful and have had everything I needed in stock
I too have used Volspec and was impressed by their helpfulness and attitude, as the parts needed to be shipped to Mallorca. I would recommend them without hesitation.
Thanks All, emailed all recommended distributors, plus a few others, and got replies back almost immediatly. Seems there is not much more than a few quid in it for genuine VP parts