McMaster Carr
http://www.mcmaster.com/param/asp/psearch.asp?FAM=rubber&FT_101=7541&FT_128=521&session=desc=Rubber%20and%20Foam%20Rubber;rubber;101=7541;128=521


EBAY Category find
http://search.ebay.com/search/search.dll?query=xxxx+xxx+xxx&ht=1&sosortproperty=1&from=R10&BasicSearch=++   ( replace the xxx's with your query)

email addy from Ebay
http://cgi3.ebay.com/aw-cgi/eBayISAPI.dll?UserInformationRequest

feedback left
http://cgi2.ebay.com/aw-cgi/eBayISAPI.dll?ViewFeedbackMemberLeft&memberId=andy46477