I found this blog entry helpful

You can't research this topic on the web without getting multiple links referring to MacArthur's Strange Fire conference and the responses to it.   I came across this response to one of the conference speakers, Tom Pennington.   I thought the author, Andrew Wilson, did an excellent job taking on Pennington's arguments one by one and did so in a way that was respectful of his brother in Christ.

First, here is a video of Pennington laying out his case:

Here is the link to Andrew Wilson's response:
http://thinktheology.co.uk/blog/article/cessationism_and_strange_fire