Leopard on any PC

Install Mac OS X 10.5 Leopard on a (non-Apple) PC, pretty easy:

http://dailyapps.net/2007/10/hack-attack-install-leopard-on-your-pc-in-3-easy-steps

Setting ANSI colors in Terminal in Mac OS X 10.4

The default ANSI colors in Apple's Terminal are very difficult to read, and there's no way to set them and make the settings stick. The best I've found so far is TerminalColors, a SIMBL plugin that gives you a new ANSI Colors inspector pane in Terminal.

http://www.culater.net/software/TerminalColors/TerminalColors.php