As an alumnus, I may have more affection than most, but I would point your attention (and your iPod) to the sermons preached in the bi-weekly chapels of The Master's Seminary.
Podcast and free downloads of these sermons are available and searchable here.
As a seminarian, the chapel gatherings on Tuesday and Thursday mornings were some of my fondest and most eagerly-anticipated times of devotion. Singing with my brothers-in-training and hearing God's Word proclaimed by our professors, visiting scholars, and alumni, were points of significant enrichment and challenge during my ministerial preparation. In fact, I can probably recall more "moments" where the Spirit of God personally addressed me during chapel, than during the lectures.
Take note of the Faculty Lecture Series, the most recent being Biblical Sanctification, as well as the other expositions (including one from this pastor, with whom some of our readers may be familiar).