Adobe Photoshop CS2 and CS3 Tested
	Adobe Photoshop CS3	Adobe Photoshop CS2	Adobe Photoshop CS3	Adobe Photoshop CS2	Adobe Photoshop CS3	Adobe Photoshop CS2
	Startup	Startup	Suite	Suite	Batch	Batch
Mac Pro 2.66GHz Intel Xeon	0:15	0:32	0:31	1:02	2:11	4:04
MacBook Pro 2.33Ghz Intel Core 2 Duo, 15-inch	0:26	0:42	0:51	1:26	2:25	4:42
Power Mac G5 2.5Ghz Quad	0:19	0:16	0:45	0:54	2:31	2:22
PowerBook 1.67Ghz G4, 15-inch	0:32	0:32	1:43	1:52	4:24	4:14
	<Better	<Better	<Better	<Better	<Better	<Better
Best Results in Bold.

All tests were run on Adobe Photoshop CS3 Beta and Adobe Photoshop CS2 version 9.0.2. All systems were running Mac OS X 10.4.8 with 1GB of RAM, with processor performance set to Highest in the Energy Saver preferences pane when applicable. The Startup test involved opening Photoshop with a 50MB file. The Photoshop Sutie test is a set of 14 scripted tasks using a 50MB file. Photoshop's memory was set to 70 percent and History was set to Minimum. The Batch test executed three automated tasks on 100 stock photos.Source: macworld.com