We use the king dvd's for the accelerated courses at the part 61 school i work for... some things to remember:
They are teaching you what you need to know for the knowledge test, holding your hand through some of the word problems.
They put most people to sleep, not becuase it's not good info, but becuase they drone on and on, dwelling on the simple stuff, and glossing over the more difficult subjects.
King does an ok job, but instead of zoning out and then patting yourself on the back when you can answer the cute little questions at the end, go buy the following books put out by the FAA, you know, the entity that writes the test:
Airplane Flying Handbook
Pilot Handbook of Aeronautical Knowledge
current FAR/AIM (part 61.107, 61.109, lots of part 91 and AIM)
Aviation Weather AND Aviation weather services
the private pilot PTS - the single most important book as this is your guide to the oral and checkride.
All of that for WAY less than the price of the King or Sportys course which you'll probably abandon half way through and never go back and use again.. instead do yourself a favor and start an aviation library you can reference down the road...
good luck!