It seems that people at Line 6 is not listening to the customers.
Too bad.
http://www.vettaville.nl/page.php?id=110#1148
M13 Stompbox - New Firmware V. 2.04.00 avialable... 27-01-2011
Line 6 released new free software for M13 stompbox modeler. V. 2.04.00
This Flash Memory v2.04 update is recommended for all M13 owners.
Release Notes:
• Echo Platter feedback bug fixed.
• A few other proprietary enhancements have been implemented.