> This is a very important feature because as of now,
>if you want to use Firebird events through the Internet,
>you have to choose SuperServer, which means you can throw
>away your Dual-Core or Quad-Core CPUs.

Why you are so pessimistic? There are at least two ways to workaround
this problem:
1) Put client host to white list of your firewall after it has connected
to FB port to allow it also connect to any other port.
2) Install two Firebird servers: SS for internet clients, CS for the rest.

SY, SD.