Good news for all SQL enthusiasts today! The next version of SQL Server [codenamed “Denali”] reached the next milestone, i.e. CTP3 (Community Technology Preview 3) about a month back, but today the Product Team has released a complete product guide (with samples & videos) for public use. You can find the official confirmation from the SQL Server Product Team here,
If you haven’t downloaded the installation media for SQL Server Code Name "Denali" CTP3, you can find the link below,
https://www.microsoft.com/betaexperience/pd/SQLDCTP3CTA/enus/
I highly recommend you to download the comprehensive product guide which contains whitepapers, presentation, demos and sample videos to help you learn the new release. This will help you get started on the next version and stay one step ahead of the rest of the SQL community. The Product Guide is a ~450MB download.
http://www.microsoft.com/download/en/details.aspx?id=27069
Have fun playing with the new version. Remember, Information is Wealth 
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The SQL Dude! 