Comparison between Hyper V and Hyper V R2

Hi, for those who has read my previous comment about Hyper V and Hyper V R2
http://ericlaiys.blogspot.com/2009/07/hyper-v-vs-hyper-v-r2.html

Here is some add on about Hyper V R2:-

You can download Hyper V R2 from http://www.microsoft.com/downloads/details.aspx?FamilyID=fdac7be8-1847-4839-991d-f84be95a33a0&displaylang=en

For those with Technet and MSDN subscription, please proceed to Technet and MSDN website to download the RTM version.