How to Boot your Mac from an iPod
If you have an extra iPod laying around that isn’t getting much musical usage, perhaps you’d like to try using it as a boot disk. The always useful LifeHacker has found a good read on setting up an iPod to be used as a startup drive for your Mac, the only downside is the software the how-to suggests is rather expensive. If you’re looking for a cheaper alternative, then check out our past post on creating portable Mac OS X installs, otherwise read on!

I would never spend $150 just to boot a freaking iPod Mac OS X install, what a waste of money, what are they thinking??
good concept but $150 is a bad joke! i’d rather use the free advice from your other link