I thought I will find these links already posted here (or they already are and I'm missing them) ... but here they are, for all and sundry.
Myles and Mark posted video responses to questions of forum members of Fret-12 website.... please check em out.
Myles Kennedy
http://fret12.com/mk_media.html
Mark Tremonti
http://fret12.com/mt_media.html