INSERT INTO a temp table, and have an IDENTITY field created, without first declaring the temp table?

I need to select a bunch of data into a temp table to then do some secondary calculations; To help make it work more efficiently, I would like to have an IDENTITY column on that table. I know I could declare the table first with an identity, then insert the rest of the data into it, but is there a way to do it in 1 step?

Oh ye of little faith:

SELECT *, IDENTITY( int ) AS idcol
  INTO #newtable
  FROM oldtable

IDENTITY (Function) (Transact-SQL)

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