At the risk of teasing you Peter ?
Once you go to the shiny overpriced side you don't need half as much support.
Just for balance my main machine at home is a monster homebuild using Windows 7 and I never even thought of purchasing a MacPro for this role. I also used to work at Sun Microsystems for four years so have been through the mill on most of these operating systems.
Like the colour you choose for your Mog, its all a bit personal.
