When I bought my bike the rear pads were quite simply non-existent (so much for roadworth inspections) - so at the time I dropped in a set of Bendix sintered metal pads and thought no more about it. Took the front pads out today and decided that even though they still had a fair bit of material left before they reached the wear indicator I might as well change them. The old pads were an asbestos type (possibly even the factory originals by the look of them) so decided to go again for the Bendix sintered metal type (since that's all the local bike shop seems to stock). Only taken it for a brief test run to bed in the new pads but already the difference is very, very noticeable. The old pads certainly had the ability to lock the wheel but these new pads give the same level of braking much quicker, and with a far more positive feel. I'm certainly very happy with the change, especially since all it cost me was 60 bucks and an hour of free time (changed the brake fluid front and rear at the same time).