Looks to be a little clunky, network must be manually configured, for example. Still, I've got to give this a try!

From the page: "Welcome to LiveAndroid, a LiveCD for Android running on x86 platforms."

Much easier to carry around a few SD cards and a USB reader than a portfolio of optical discs. Read access is much faster with flash than a disk. Additionally, optical disks are fragile and terribly prone to physical damage such as scratches.

Now to incorporate GRUB and select between several different distros...

From the page: "UNetbootin allows you to create bootable Live USB drives for a variety of Linux distributions from Windows or Linux, without requiring you to burn a CD. You can either let it download one of the many distributions supported out-of-the-box for you, or supply your own Linux .iso file if you've already downloaded one or your preferred distribution isn't on the list."

Written in 1998, detailed instructions on building a parallel supercomputer using commodity hardware. In the time since, performance has increased, prices have dropped, and the process has gotten easier. There are even several Linux Live CDs that can boot your LAN into a Beowulf cluster automatically.