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Mac 101: Whats happening when your Mac is starting up?. This might help you understand and troubleshoot problems with your Mac booting up.
You can do so safely and easily with Drive Genius 3. This is a new version. I have an older version that has worked great and never caused an issue when using. This is helpful if you have a Boot Camp partition that needs to be larger, or you want to dedicate space on an external drive with an existing Time Machine backup you don’t want [...]
This is good to know. So many ways to boot the Mac OS!
Firewire to another bootable volume
Am I missing anything?
Very nice step by step on how to do this. Go here.
Nice tool to test your Server for hardware issue from Apple. Click here to read more and download it.