Sorry for not responding sooner. To answer the question about IFB, yes, it stands for Independent Fundamental Baptist. Until I watched that 20/20 special on them and learned that there was a group of former IFB's that existed, I just used the full name but it got lengthy saying Independent Fundamental Baptist over and over again.
There are many striking similarities between the witnesses and the IFB's. When I started attending the meetings with my wife, I felt those same feelings I used to feel back in my old IFB church. That was part of the reason why I could never embrace them as part of the Christianity that I came to know after leaving the IFB's (they were far too similar).
Anyway, indeed, televangelist like Jack Van Impe were always about stirring up fear and begging for money. Jack went as far as to predict that he believed a lot of the events predicted in the Bible would start coming to past around the late 1990's (around 1998 from what I recall him saying). Well, it is 2013, and no rapture unless it was invisible. I don't know if Jack and his wife were IFB's but my pastor approved of them so at the time I believed what he said. Of course, my pastor also preached that the beast in Revelations was a super computer in Belgium and that Captain Planet was another form of Satan, or that the smurfs were demonic, or that Proctor and Gamble was run by satanists.
Wierd, but until I watch that 20/20 special, I never took the IFB's for a cult. Now I know better.