Carl Trueman, a friend and professor of church history and historical theology at Westminster Theological Seminary, has posted some trenchent remarks on Martyn Lloyd-Jones' legacy. Whether you agree with Carl or not--and his criticisms of MLJ seem directed as much toward his admirers as Lloyd-Jones himself, save for the final point--they are worth considering.
In that context, I've continued to wrestle historically with how a place like Westminster Chapel could go from MLJ to R. T. Kendall to Greg Haslam (a leader among the Word and Spirit movement, a UK charismatic group). The received, conventional wisdom has generally seen Kendall as the one wearing the "black hat" in the story, corrupting the MLJ legacy and opening the door to the charismatic movement. But I wonder if there was some trajectory in MLJ's own ministry--whether explicit or implicit--that set the stage for this transition.
I guess you can say that historically it is all a question of Lloyd-Jones and the Lloyd-Jonesists!