touch screen replacement

hi was just wondering if any1 knew a thread for installing a new touch screen if people have done this how easy is it,
ihave replaced new screens on psps is it as easy

 

I've never replaced a screen before, but here's a video on YouTube that shows how to open it up.
http://www.youtube.com/watch?v=vRzTgfo2PsM

 

thanks for that i managed to get new screen in very easy but managed to break the on off switch putting the thing back together so be warned to line up the outside switch to the 1 inside