I think this may be a spammer, I've found multiple posts on various unrelated forums which appear off topic or generally related how awesome OS X is.
Code:
http://neosmart.net/forums/showthread.php?p=49020
http://gosforums.org/viewtopic.php?f=16&p=2665#p2665
http://theartofsound.net/forum/showpost.php?p=94283&postcount=130
http://irfree.com/forum/showthread.php?404150-Mac-OS-X-10-6-Snow-Leopard&p=714272&viewfull=1#post714272
http://2brightsparks.com/bb/viewtopic.php?p=27778
...
There were all posted today, same user name.. same strange signature.