OK, so here is my 27 ball, easy to install ballpack. Basically it's easy to install as it just involves replacing the .bin files in DKZ studio then rebuilding the .afs, no modifying reserved space or any of that jazz. Credit for most of the balls goes to the fantastic DAMned.
Download Link:
http://www.sendspace.com/file/sfygvh

Download Link:
http://www.sendspace.com/file/sfygvh