Finding information fast and efficiently is more of an art than a science and we still have not touched on the really difficult part: how do you determine the actual quality of the information? It is outside the scope of this HOWTO to tell you that but it is still something you should keep in mind. You should at least check the information is recent enough to be current to your problem.
There are a number of FAQs available that deals with more serious research method topics and you can also see a comprehensive on-line version.
Quoted from someone's signature:
Be alert! The world needs more lerts.