i agree. the autograph looks very jimmy chamberlin to me too. with the little face (or what is it?) in the “j”. not very neat, but who knows in what condition the autograph was placed on the relatively small vip pass?
check out this picture for another jimmy chamberlin autograph, that actually looks quite similar: http://i60.tinypic.com/vym5pg.jpg this one also has more autograph between the “j” and the “c”. later autographs – machina or zwan, for example – seem to be a bit shorter.
we can’t be sure about the heart, but like i said, my guess would be billy corgan. because why would someone else sign a vip pass with the sp heart? it kind of has to be him. also, the “s” in the sp heart looks very billy corgan to me. it’s a typical billy “s”.