You're making a leap there that -I'm- certainly not ready to make. Speed 
isn't everything, never has been. 

If you want to play games or have application that you don't really care 
about when it gets done and a lot of times in accurate results and only 
has 1 or 2 users, you -might- be able to live with putting it on a Unix 
platform.

However, IMHO, the RAS -really- stinks.

You can't rely on those boxes being up and available to do -production- 
work when you need them.

One line of bad code or a missing line in a script and the box typically 
goes into a loop and freezes and a lot of the time can't be gotten control 
of again without turning the box off or pulling circuit cards to force it 
to quit.

The -whole- attitude of the group of people responsible for the care and 
feeding of the squatty boxes is one that a -production- environment in a 
mainframe world can't tolerate. They think nothing of taking a box down or 
changing an IP address in the middle of the day and without telling anyone 
they're about to do it. 

The number of people it takes to support the squatty box environment is 
unreal (5+to 1) for every application they put up. 

It's cheaper to maintain the mainframe....overall.

The average time for D/R recoverability on a squatty box is measured in 
days....not hours.

And the list could go on and on.

Personally, I'd rather have a -slower- box and know that the RAS is there, 
unless of course I want to play a game. <g>

Bill

Mainframe - 

An obsolete device still used by thousands of obsolete companies, serving 
billions of obsolete customers, and making huge obsolete profits, for 
their obsolete shareholders. And this year's run twice fast as last 
year's.          -Phil Payne-

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