Most important: always check out what someones teaches in & with the Word of God (in balance and context).
Here are some additional resources that are relevant to these modern times.
Brother Milton Green gives some solid biblical help in these two messages found here:
Fury of Fire series, Mark of God or Mark of the Beast 1 & 2, #11 & #12 on sermonindex.com
Hey, better yet, why not listen to the whole series for yourself? A real eye opener.
Also an excellent resource: THE GREAT FALLING AWAY TODAY book.
This is from End Times Prophetic
....Dear friends, after having been to the Lakeland Outpouring in person, I am very concerned about what is going on. Are there people there who are really saved and love the Lord? I have no doubt this is the case. Could some of the healings be real? They could be but I did not personally observe any - and I looked for them. Is Todd Bentley a man of God or a false prophet? Well, all I can say is that I do not believe him to be an honest man, he is a masterful manipulator of people’s emotions, he is actively engaging in activities that are extra-biblical and flat out unbiblical, and he does not preach the Word. What I am about to say is, I freely admit, subjective and by no means in and of itself authoritative in any way, but my spirit was very troubled the entire time I was there - very troubled. I believe that the Lakeland Outpouring is just the latest manifestation of the counterfeit revivals
