Does anyone have a recommendation for a single Processor solution enterprise SQL server setup

Does anyone have a recommendation for a single Processor solution
enterprise SQL server setup

I am trying to put together a starting point for the hardware requirements
on a basic Redundant Enterprise level Sql server solution that would be
connected to a pool of application servers.
From my research so far I have identified the following:
Each server will need a processor license of about $7K (for 2008 - but I
may be wrong) but What I need to know is what is a TYPICAL hardware
configuration to expect. And before anyone answers " Well every situation
is different...", etc, I am not putting a man on the moon. I want just
need 1 solution that is middle of the road that works, not the most
expensive, not the cheapest, but it works in +75% of the environments it
may be needed for.
So I am thinking I may need some storage needs that need to be taken into
consideration (RAID Arrays), and then the server to run the SQL server,
and then anything else people might think I may need. (If I want
redundancy, i believe that I would need a second license for the backup
server - but not sure about that)
Thanks!
Steve