How to get the MacOS X developer tools by taking them from Darwin:

What we're suggesting here is that you take parts of a development-level, unsupported operating system and install them onto a similar-but-not-identical, still-in-beta operating system. This is frighteningly close to the thin line that separates geekery and madness.

I feel strangely drawn to the idea of having to spend my next few days frantically trying to get data off my rapidly failing hard-drive. That is, having some cool shit on my Mac.