Emu XL-7 & MP-7 User's Group

I finally did a sample sysex test I have wanted to try for a while. 
(See below.) I am wondering if others have tried anything like this 
and what the practical possibilities and limitations are.  Aaron, if 
you have any insights to share, I'd be interested to hear them. I am 
also wondering (for example) if embedded sysex commands degrade the 
performance of OS2.0, and other questions of memory/performance 
integrity, possible pitfalls, possible usages--esp. which push the 
gear beyond what is already capable with CC and patchcord controls, 
etc. 

I. Embedding sysex commands in an e-mu sequencer pattern.
(1) Using a software sequencer, create a pattern with sysex commands.
(2) Save the pattern as a standard midi file.
(3) Using e-loader, download the pattern into the e-mu sequencer.

II. Test # 1: ROM instrument change in preset edit buffer.
--embedded sysex commands (single parameter edit) change ROM 
instruments in a single preset as part of the pattern

III. Thoughts on possible applications:
--Changing the CC # [functionality] of the 16 knobs in different 
sections of a song [pattern chain] without having to change 
multisetups.
--Changing trigger functionality in different sections of a song.
--Changing filter type of a single preset as part of a pattern.

--Steve