What you are now going to read is totally going to change the format war! What if you could make a cool Star Trek phaser like gadget from a Blu-ray drive? That would convince you to buy such a device, no? The dream of every geek and just a do it yourself...
Add a Playstation 3 laser, a toy, battery and some other technical blahblah and you're set and can show off with a blue laser emitting thingy and that for less than $100!
You do need to know how to solder but then you've got your show-off toy. Read how to do it and don't hesitate to tell us how your friends gasped over your gadget.
however i gotta confess i added the site to favs. Doh! 