Just my 2 cents worth. I too have the brembo but in slotted with TRD pads.
IMO, I would not say it's a huge improvement but it does perform better over stockies. They do brake harder with less effort over stock. For the price I paid comparing to everything else in Australia, it definately's worth every cent.
The downside of this combo is that i now have a load of brake dust and it does squeal a little (if you have your windows down u'll hear it for afew seconds at a certain speed). But with windows shut and in the car, you'll not hear nor see of this downside.:chairshot: