I have yet to find a good, aggressive pad that doesn't make a lot of noise and dust. I tried the EBC stuff and had every pad seperate from the backing plate after a few laps on the track. I won't be using those again. I have used Hawk HPS and HP+ pads, both make a lot of noise cold. The HP+ pads sound like you don't have any pads, it is just metal on metal. They also make way more dust than the Fiesta ST pads. They will turn your wheels black from backing out the driveway. I had the HPS pads on my SVT Focus and noticed the dust stained the white wheels. I had to have them refinished. Trying to have a good balance of dust, noise, street, and track compounds is almost impossible. You can't have them all, so you have to compromise.
Not sure if they will stain or not. They did not stain the stock wheels after 6 months and 15,000 miles. I only ran my white wheels for a week, which is not enough time to determine if they will stain. I plan on using some high temp wheel wax to help protect the finish and make them easier to clean.
I plan on keeping the stock pads and adding G2 wheel wax. It works really well and holds up to the heat. I clean my car once a week in the summer, and don't mind doing a wheel clean-up mid-week to keep the white wheels looking great. It doesn't take long to touch up 4 wheels with a hose and pad.