I've borrowed Bybee, Shakti, Tice and other tweeks from a friend that used to be in the audio business, and I'll take a Rolex any day. Even he admitted that they made little if any difference in sound. They just cost a lot that's all. You'll get a lot more in return for a Rolex than any of that other crap, but it's to each his own with His or Her money. I choose not to be foolish enough to waste mine. I'm glad I was able to try out the tweeks since most don't get the oppertunity to do so first.