Tim L-309246 (1/25/2011)
In http://www.sqlservercentral.com/articles/SQL+Server/70505/it says, "Best practices call for tempdb to have one datafile per processor (core) and all to be of the same initial size and growth."
Not necessarily.
Gail Shaw
Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability