I was speaking to a co-worker today and he pointed me towards Mike’s blog at http://mikedatl.typepad.com/mikedvirtualization/2008/07/esx-35i-for-fre.html. After reading through it, it was obvious he had made some really great points.
Microsoft has offered Hyper-V for free essentially with Windows 2008 but it doesn’t include the cost of Windows 2008 itself. ESXi on the other hand is a bare metal Hyper-visor which requires no OS for it’s installation and requires no purchase of Hyper-V.
Also, in my humble opinion, once you grow out of the SMB market and start moving up, the features of VMWare trounce what Microsoft has to offer with Hyper-V. Don’t get me wrong, I’m sure Microsoft will continue to develop their offering and play catch up, but VMWare is there right now at what I find a very reasonable price.