Possible? Of course! Thanks to the iPodLinux project, you can easily dual boot your iPod into linux! If you don’t have an iPod yet, it sure makes you wanna have one. Here are some screenshots to see it in action.
Edit: Forgot this excellent step-by-step guide on how to do it!
It’s interesting to see what kind of public side information the google maps initiative can provide. Who knows what else you can discover on this satellite data besides crop circles.. I tried a search on google maps for crop circles, but it seems they don’t index this.