We just implemented our first SSL domain to use SNI — which allows multiple websites to have independent SSL certificates yet share the same ipv4 address. This paves the way for us to coalesce several servers, and allows us to eliminate the multiple-ip-address fees for a bunch of clients.
Let us know if you get an error message on our own SSL cert, apparently Internet Explorer 8 and below on XP will, but every other major browser and user base will not: https://yourcomputergenius.com
Read more on SNI: en.wikipedia.org/wiki/Server_Name_Indication
