I've got a small, quick, easy to use single-HDD NAS that's similar to what is mentioned in this thread:
http://www.dcaudiodiy.com/phpBB3/viewtopic.php?f=4&t=541 It's a great way to get dedicated storage space for your laptop-based audio system, especially where you may be using an older machine with a small internal HDD.
$5.00 plus actual shipping costs to your door.
I can add a 750GB HDD (WD Black) to it for you, for an additional $25,
I wrote an article abput it here, so I won't repeat myself....
http://archive.benchmarkreviews.com/index.php?option=com_content&task=view&id=849&Itemid=70&limit=1&limitstart=1The only caveat is that I have not tested it on any Apple systems and don't even know if it will work with them......