Just tried the Mr Clean Autowash yesterday morning on my black Celi and I'm officially converted!
The stuff worked incredibly and not a single water spot. The starter supplies that come with the package are supposed to be good for 3 washings, and refills on the soap and filter are supposed to be good for 10 each, so I stocked up on both.
Combining this product with air-blowing the water from Mirrors
, door handles and rear plate, and I may never ever touch my car with a drying towel again. I finished with Meguiar's step 3 Carnuba Wax and Gold Clear coat polish and that beyotch is looking extra beyotchy