> Is it possible to use remote desktop to connect to 2 different PC's behind
> an
> ADSL router with a dynamic IP address from an ISP. I think the answer is
> no

I *think* the answer is yes!

Firstly you need to sign-up with www.no-ip.com. They give you a fixed domain
name which when looked up always resolves to your machines IP address even
after it has changed. This is done by installign a small client on your
machine that informs no-ip each time you IP address changes. I use the free
version and it works just fine!

Then for each machine you need to remote desktop to you'll need to use
different ports. You'll forward each port on your router to a different
machine. Then when you come to connect using remote desktop you'll have to
not only specify the IP address you want to connect to but also the port
since its not the standard RDP port (your_ip_addressort_num). That way
your router will know which machine should get the RDP traffic.

HTH