Does the Getting Started book need to be updated?

With the newly designed Arduino Uno and Mega, am I going to have any problems with this book?

Getting Started with Arduino By Massimo Banzi http://www.adafruit.com/index.php?main_page=product_info&cPath=40&products_id=263

Nope - Uno is more less a form/fit/function replacement of the Duemilanove. Mega just gives you more I/O (including H/W serial ports) to work with.