Micromat has released TechTool Pro 6. The new version of the long-standing utility adds support for creating a bootable volume on the Mac’s active drive, eliminating the need for a bootable DVD. That means your emergency startup volume no longer requires Apple’s boot disk updates to remain current. TechTool Pro 6 also makes it easier to diagnose and repair hardware issues. Other new features include Volume Cloning, for quickly creating exact volume duplicates, and the Local Network Tool, which lists active services and ports on each Mac and Bonjour device on the local network. ($99.99 new, $39.99 upgrade)
Instant Full-Screen Slideshow
For an instant full-screen slideshow of a bunch of pictures, select them in the Finder, and press Command-Option-Y. (This is the same as pressing the Space bar, clicking the full-screen button in the Quick Look toolbar, and clicking the play button.)
TechTool Pro 6
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For that matter I don't see anything new I want here. Carbon Copy Cloner already makes bootable clones. Portscan (part of Network Utility that comes with every Mac) scans open ports. I guess the Local Network Tool shows you your whole local network, if you have a big one.