Gizmodo has a long, detailed write-up of how to convert a Dell Mini 9 into a full-fledged Mac OS-X netbook, cool. I don’t really recommened doing that but if you want a Mac netbook on the cheap, this might be a great way to do just that.
The easiest way to use both the Type11 bootloader (burned to a bootable CD) and your OS X install DVD is via the external USB DVD drive. The catch is, some drives are mysteriously not compatible with installing OS X on the Mini 9. Mine was one of those drives—the bootloader CD would work without a hitch,