"I work primarily as a fill in drummer, and have had situations where another band has gotten a booking for twice the money after I've agreed to do a gig for someone. In every single case, I always go with first booked, first served. …"
"Of course I also made that comment without having looked at the site. However, after having done so, that may not be a necessary component. If it works the way they say it does, their products qualify as bad a$$."
"In light of what Bret suggested, have you considered mounting the acoustical material to some 4x8 sheets of 3/4 inch (Probably get away with even smaller) plywood and then putting those against the walls?"