Microsoft Desktop Virtualization solutions help companies to reduce their total cost of ownership, increase business agility and continuity, enable anywhere access, and improve security and compliance. For companies new to desktop virtualization, deploying Microsoft Application Virtualization as a first step can provide immediate cost savings.
Desktop Virtualization offers a broad portfolio of solutions that empower companies to choose the technologies that best address their unique business and IT challenges while preserving their existing IT investments. Microsoft delivers desktop virtualization offerings for a wide range of situations—from always connected workers to those requiring more flexibility such as mobile workers. For connected workers, Microsoft and its partners, including Citrix, deliver a Virtual Desktop Infrastructure (VDI) solution that allows organizations to centrally manage desktops in the datacenter while providing a personalized desktop experience for end users.
VDI or RDS ? Well if RDS is not working for you then you can use VDI below are a couple of screenshots of the VDI Session.
You can see this online in a few weeks on the microsoft site Websession on demand
Author: Robert Smit [MVP]
Robert Smit is Senior Technical Evangelist and is a current Microsoft MVP in Clustering as of 2009.
Robert has over 20 years experience in IT with experience in the educational, health-care and finance industries.
Robert’s past IT experience in the trenches of IT gives him the knowledge and insight that allows him to communicate effectively with IT professionals
who are trying to address real concerns around business continuity, disaster recovery and regulatory compliance issues. Robert holds the following certifications:
MCT - Microsoft Certified Trainer, MCTS - Windows Server Virtualization, MCSE, MCSA and MCPS. He is an active participant in the Microsoft newsgroup community and is currently focused on Hyper-V, Failover Clustering, SQL Server, Azure and all things related to Cloud Computing and Infrastructure Optimalization.
Follow Robert on Twitter @ClusterMVP
Or follow his blog https://robertsmit.wordpress.com
Linkedin Profile Http://nl.linkedin.com/in/robertsmit
Robert is also capable of transferring his knowledge to others which is a rare feature in the field of IT. He makes a point of not only solving issues but also of giving on the job training of his colleagues.
A customer says " Robert has been a big influence on our technical staff and I have to come to know him as a brilliant specialist concerning Microsoft Products. He was Capable with his in-depth knowledge of Microsoft products to troubleshoot problems and develop our infrastructure to a higher level. I would certainly hire him again in the future. "
Details of the Recommendation: "I have been coordinating with Robert implementing a very complex system. Although he was primarily a Microsoft infrastructure specialist; he was able to understand and debug .Net based complext Windows applications and websites. His input to improve performance of applications proved very helpful for the success of our project
View all posts by Robert Smit [MVP]
Robert Smit MVP Blog 
the new number of suppoted VM’s per core, per node and per cluster when running Hyper-V R2 SP1 and using Windows 7 SP1
http://technet.microsoft.com/en-us/library/ee405267(WS.10).aspx
Ronnie
You are Right With SP1 on windows 2008R2 you can run 1000 VM’s there will be massive IOPS.
But you don’t have to use win7 sp1 as a must.