I don't really want to see them go because they're so amazing and I'll probably never buy one again but I really don't use them all that much. Up for sale is a Wicked Lasers Core with the dragon case and a Nova Lasers X65 which if I remember correctly outputs around 81mW average (can't remember...
I ordered a second dragon case probably three weeks ago and got a Core in the mail instead. Laserpointer.com(WL) didn't charge me for it either so...finders keepers.
I did it once with an orange balloon inside of a white one. It was such a pain. I basically just tried it until I got it right. Unfortunately I couldn't pop the orange balloon inside. :(