Here are some statistics: http://www.codinghorror.com/blog/archives/000012.html
Here are instructions: http://lifehacker.com/software/dual-monitor/how-to-set-up-du...
It's very easy to setup and really amazing... I just tested it out on my laptop with my computer's monitor(I plugged my computer's monitor in the laptop instead)... and it's really cool.
Here are some statistics: http://www.codinghorror.com/blog/archives/000012.html
Here are instructions: http://lifehacker.com/software/dual-monitor/how-to-set-up-du...