One of my sites has both .org and .com with the same domain. .org was bought in feb 2003 and was PR6 3 months back. .com was bought in september 2003 (which is parked on domain.org) .. there is no outside or internal link to the .com address .. it was just bought for resevation .. yet it has shows the same backlinks and PR6 as .org, but only on the main page .. internal pages are pr0 .. probably next update will get them the same PR as well ..
how did google even come to know about domain.com without any link to it and it has got the same PR as .org .. weird stuff .. anyone else experienced this?