I only recently installed this Tyrolsport kit, but after installing them along with new pads, I get virtually no vibration in the pedal anymore.
kidthunder, you get squealing while accelerating or while slowing down? If you've got some squeal going on while applying pressure to the pedal, then whoever did your brakes didn't apply enough anti-squeal to the back of the pads, or didn't lube the bronze bushings well. I'd recommend re-applying anti-squeal paste to all pads, as well as cleaning the surface of your rotors up with some brake cleaner. Did you have the surfaces turned before installing the rotors? Sometimes this is recommended to ensure the contact surface between the pad and rotor is free from any residue / contaminants.
If you've got squealing under acceleration, then thats a different issue.