A friend of mine just e-mailed me this...
Rainbow Resource Center is offering the
Chronicles of Narnia Complete Set CDs (Focus on the Family Radio Theatre)
at an amazing prices of $36.95 (retail is about $80)
Here is the link
We've very much enjoyed this dramatized audio set in addition to the books and especially love Paul Scoffield (he played Thomas More in the 1966 A Man for All Seasons) as narrator.