You may also want to try these guys...
Door seals:
"No. 180 / Rubber Door Seal"
http://www.automobiletrim.com/door-seal-rubber.html
Boot seal:
"BS/64 Boot (trunk) Seal"
http://www.automobiletrim.com/trunk-seal.html
Those one have been proven to be a close match for the original seals. The downside to that place is that I believe there's a minimum order quantity.
cheers
James