Stay with what works.

Why MUST you change to 10.8? What does it do that you can not do in 10.7?

x

Let me ask the question again, why are you planning to upgrade to 10.8? What does 10.8 do that 10.7 does not?

Honestly, the first prinicple of a working computer is - if it is stable and you are productive with it, don't change it unless you know why the change is required.

If 10.8 does something that you really need, jump on it. But, before you do, make a full working clone of your 10.7 system disk. This is your insurance if things go south in the upgrade process or your programs are not fully compatible. You can get back to your working system in an hour or so.

Good luck,

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OS X Server: Dedicating system resources for high performance services:

http://support.apple.com/kb/HT5359