ARIN

>Once two people who wish to communicate >are both behind such  
>providers, there is no way they can send >data to each other without  
>using a third party somewhere...

This is a handful of users. We're just probably talking about p2p users mostly. 

I also have a home server but I really see it as a non typical use. 
 
Best Regards,

Artur
eBoundHost
http://www.eboundhost.com