Ever want to know which iMacs use the Intel Core i5 processor? Or which Mac models lack FireWire? EveryMac has created a very neat Web-based tool that lets you select from a wide variety of system specifications and see which Mac models match. It’s in beta, so if you see any errors or have suggestions for improvements, drop them a line. follow link
View Smart Folder Criteria
Smart Folders, folders that contain the results of a Finder search, typically display without the original search criteria listed. However, you can see the search criteria by selecting Show Search Criteria from the window's Action menu (the gear icon). Additionally, any edits to a smart folder's criteria will automatically be listed the next time you open the folder.
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EveryMac’s Ultimate Mac Sort Tool