Checks NOTAMS here. I would suggest using the radius search function. This week give you NOTAMS for your local airfield as well as surrounding airfields and center NOTAMS.
DUATS is a great planning resource. You can plan winded routes, file, and get a weather brief emailed to you, all for free!
An important site to check to stay clear of any Temporary Flight Restrictions (TFRs)
Another free resource, this FAA site has a number of useful handbooks covering topics from student pilots to instrument flying. Below are a few of the more inportant ones.
FAA inspectors and designated pilot examiners shall conduct practical tests in compliance with these standards.