This Geeklet displays some basic information about the Mac you are using.
It will result in something like this:
Mac OS X (v10.6.8) - MacBookPro3,1
Intel Core2 Duo CPU T7700 - 2.40GHz
The commands being run are:
echo `sw_vers -productName` \(v`sw_vers -productVersion`\) - `sysctl -n hw.model`; echo `sysctl -n machdep.cpu.brand_string | sed -e 's/([^)]*)//g' | tr '@' '-'`
