Perimeter Sound Arts has released a specially priced best-of loop sample collection—The Best of PERIMETER - Volume 1. Available as a downloadable pack or on CD.
This collection spans 7 loop sample CD collections, and contains 535MB (418 loops) of hand-picked content. Both Acidized PC format and Garageband Mac format are available. The collection is $15 for download (or $20 if you need them on a CD).