Existing users, 
no Quartz 2D Extreme as i expected ;)
and i do have a good enough GPU because i can enable it in Quartz Debug "9800 PRO"
but besided the lack of Quartz 2D extreme it's a good update.
Apple Mac OS X
operating system (PPC)
Version: 10.4.11
no Quartz 2D
Feedback Type: Commentary
Contributed by: mark_ringenoldus Tuesday, May 17 2005 @ 05:22 AM PDT
Product Platform: MacOSX
Used Product For: Less than a month
Recommend Product: YES
Comments
no Quartz 2D - mark_ringenoldus
Quartz Extreme 2D ofloads every 2D part to the GPU..there is no extra CPU usage.
and all windows are renderd using Quartz 2D including all app windows ;)
but Quartz Extreme 2D would rock and would reduce CPU hit to the GPU...
Tuesday, May 17 2005 @ 11:21 AM PDT
no Quartz 2D - stevehops
According to Macosxhints you can do this to enable Quartz 2D (but keep in mind if you don't have any apps that support Quartz 2D it's a waste of processor power):Tiger includes a major new graphics technology called Quartz 2D Extreme. Note that this is not the same as Quartz Extreme! Unfortunately, Apple has chosen not to enable this feature by default. It is possible to enable it temporarily via a menu option using the Quartz Debug application included with the Developer Tools. In order to enable it permanently, we have to do a little more work.
One way is to force quit the Quartz Debug application after you have enabled Quartz 2D Extreme from the menu -- quitting normally will disable it again. It is also possible to edit the plist file that controls this feature directly. This file is located in /Library/Preferences, and it's named com.apple.windowserver.plist. Change the Quartz2DExtremeEnabled value to YES. Both of these methods keep Quartz 2D Extreme enabled across reboots.
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Tuesday, May 17 2005 @ 05:53 AM PDT