Hi all-- Just struggled through with this problem and found a workable solution. Might not work for an external drive, but does work to move files off of your system partition if yr a nerd like me and have your lappy's main drive partitioned. 1. Move your home folder to the other partition. http://chris.pirillo.com/2008/02/06/how-to-move-the-home-folder-in-os-x-and-why/ 2. Move the contents of Library/Application Support/Garage Band/Instrument Library/Sampler to your new home folder's Library.. .so mine is /Volumes/Data/Users/myUserName/Library/Application Support/Garage Band/Instrument Library/Sampler. Then delete the Sampler directory from your main Library directory. You should be good to go...

Hi craigmc, Welcome to the forums & thanks for this suggestion too! Cheers Rounik