It is highly recommended that you install the compiler software on a laptop

Arduino Uno Pin Layout                   Geography of the Uno board;  which pins do what

Background Reference on the Arduino

You must be on UCSD campus or have vpn running (http://vpn.ucsd.edu) 
Go to the electronics resources at the UCSD library for Ardunio Microcontroller Processing for Everyone! by Steven F. Barrett
Make sure to download both parts 1 and 2.
The Essence of Good Programming Practices by Nathan Delson

The Arduino Language Reference

Some people have mentioned that they disliked the new color scheme used in Arduino 1.0. I disliked it myself so if you would like a nice blue theme, backup the <arduino dir>/lib/theme folder then unzip this to <arduino dir>/lib folder overwriting all files. Enjoy the new look!