Here is a good write up of how to do an illuminated KB mod to an iBook, its going to be pretty much the same on a Pismo. You'll have to probe around with a multimeter on your own but there are several places you can tap the voltage. A USB port is good for 5 volts. If you want to use that you'll want to add a switch (lights off when you plug something in), otherwise you could overdraw the USB bus and break something. The logo mod is also pretty easy to do on Pismos, especially if you use a transparency