Just saw these on youtube... theres a couple more that i didnt include here, cuz i felt the list was getting too long. The user how2moto has uploaded all these.
Using your phone for the first time
Your Contacts and More
dding A Social Networking Widget to Your Home Screen
Home Screens & Notification Panel
Capturing and Sharing Pictures
Setting up Corporate Email
Texting and Typing
Using the Media Dock
Slide Show Widget
Don't own a droid x, so i dont know how similarly it performs, but the droid 2 seems to be very snappy and smooth.