Here a guide and video on how to use the X-rite 2 http://thelightroomlab.com/2009/01/calibrating-a-monitor-using-the-x-r ite-eyeone-display2-system/
Then go into Photoshop and in Edit > Color Settings and choose "North American General Purpose 2."
All set. Good enough for consumer grade hardware. Stay with that until you are able to grasp color management fundementals enough to tailor things.
Gene