Ebay is the solution if you want to burn a few hundred (and you don't need to know anyone to bid  )

http://shop.ebay.com/i.html?_nkw=pirelli+calendar&_sacat=0&_trksid=p3286.m270.l1313&_sop=3&_odkw=pirelli&_osacat=0

Personally I'd just wait a year or two and pick one up off ebay for $50 - $100 (as shown by how much they depreciate in value for past years )