[X-HW] guidelines for switching to OSX

[MacTech]

I am new to the list.

Have a client with 20 Macs currently using OS9.x on a Novell network 
still using Appletalk and IPX. The network people are pushing to upgrade 
to OSX so they can do away with AppleTalk & IPX.

Unfortunately they have several older Macs (even tray loading iMacs, 1st 
series slow G4's, etc). Yes, I know OS X can be installed on the older 
slow processor computers, but am only interested in what will be better 
and functunal. What good is it to but a bigger system, if it will 
function slower.

10 of the computers are is the graphics department and are using Quark, 
Photoshop, Illustrator and tons of fonts being managed with ATM Deluxe.

Please fill me in on what processor speed the line should be drawn for 
OS X, and also about font issues in OS X. Fonts need to be turned off 
and on as needed.

Thanks
SE