If by any chance you missed out on the big announcement made recently during the SQL Pass Summit 2010, then here it is. The SQL Server team announced the next version of SQL Server, code-named ‘Denali’. The current version of SQL Server as of this writing is SQL Server 2008 R2.
Note: For your information, Denali or Mount McKinley is the highest mountain peak in the United States and is also called 'the great one'. After it's final realease, 'SQL Server code-names Denali' may be called 'SQL Server 2011'.
To go with the announcement, the team even released the first CTP of Denali (wow!). Here are some important links: