John Macarthur sermons free online (tons of them)

I've greatly enjoyed and benefited from the teaching ministry of John Macarthur, from messages heard both online and that I catch on the radio, and I'm glad that there is an extensive (exhaustive) collection of his messages online, free for downloading.  Macarthur offers clear, engaging Biblical teaching and it's a genuine blessing that so many of his messages can be accessed online freely.

http://www.gty.org/Resources/Sermons/Title