It would be very handy for x0xb0x to have the ability to trigger slides
via a Midi cc message, i.e. using the standard portamento controller
number (65).
Requiring slides to be triggered only by using overlapping notes in
midi restricts the interfacing capabilities greatly.
See these threads for more info:
http://www.ladyada.net/forums/viewtopic.php?t=511
http://www.ladyada.net/forums/viewtopic.php?t=202