Thought I would update the list. As of October 28th, 2015, as far as I can tell, the following MIDI Packs are NOT included in any of the EZXs nor SDXs:
American Rock
Backbeats
Ballads
Basic Jazz
Basic Rock 1 & 2
Basic Rock Fills
Blues
Drum Riffs
Hi-Energy Grooves
Hip Hop Grooves
Jazz Midi
Library of The Extrreme: Blasts & Fills, Fill Insanity, Death & Thrash
Metal Beats
Monster Series
Post Rock Grooves
Reggae Beats MIDI
Rock Songs
Session Drums MIDI
Songwriter Series 1-4
Songwriter Fill Packs 1-2
Soul Grooves
