I've purchased some very high quality towels from
http://www.detailersparadise.com -- their Monster Fluffy is unreal and the Wheel Waffle is incredibly handy for touch-ups after initial drying with a larger Waffle-Weave. They also have my favorite PC pads by Lake Country.
You might also consider
http://www.microfiber-products-online.com/automotive-care.html as they have a neat assortment of unique products as well as waxes and such.
