I have to say, I'm not a fan on the adoption of the hated Windows style "R2" naming convention.  It gets especially bad when you start talking about service packs which results in nightmares like "SQL Server 2008 R2 SP2".  Yuck!

 

It's really quite sad that this poor naming convention means that you're going to miss out on the opportunity of having a "2010" titled product Sad