I'm up and down every few minutes here at the shop. Here are a few tutorials I have bookmarked.
Opening the XBox 360 -
http://www.anandtech.com/systems/sho...spx?i=2610&p=2
Here's a photo with the two most common drives:
Drop me an email webmaster at insomniaccash.com if you have any questions or post them here...I'll answer 'em as I have a chance.