Well, glad I read this thread because I was about to take my Xfire back to the brake place that put on my Rotex brakes to figure out this squeal! Sounds like they just do that! I hate it though! Before even when I had tons of brake dust on my wheels, they never squeaked! Now I sound like a 74 courier pickup pulling up behind people! Embarrasing! Have to admit though, since I put on the Rotex's, the brake dust has nearly been non existant! OH well! Gripe Gripe Gripe! :-)