> will run the system of management of 55 car dealerships, for an average
> of 600 per minute billing which would seem to be heavy use complex
> routines. I will be using connection pooling and stateless.
>
> what is the best version SuperServer and Classic

55 separate entities - to be merged later - give you the perfect opportunity
to use replication to split the load. You could use any number (or
combination of) servers up to 55.
Quite simple really. You don't need one box. In fact you're better off with
more boxes IMO, better fail over protection.
Alan