has anyone ever tried the revo hair brush or know of anyone that's tried it?? i really wanna know if it works. i saw it at the mall and became interested. i remember watching the infomercial and always wondered about it. for those of you who dont know it's a rounded electric powered brush thats suppose to straighten,curl or add volume to the hair. i really dont think it could straighten hair . i really just want it to add volume and curl the ends,the effects of rollersetting.