Interesting reading the views of others, thanks for sharing.
I had my rear discs and pads replaced under warranty at approx 17k miles, then the rear pads needed replaced again last week at around 34k miles, i'm just glad it's a Mazda and not a BMW or Jag as it'd cost a fortune.
I still haven't received my recall letter, but the dealer said my car was on the list for it, therefore they did it while servicing the car. Perhaps you should phone your dealer, ask if your car needs the recall, and arrange for it to be done at your service in July, therefore saving you a few pounds.
Chaps engine has no gone into self destruct, on that link. Possibly due to excessive CAM wear, experienced by our Aussies cousins.