Well gee Al, you're such an expert on everything, if you've never heard that before then surely it can't be true
Like I said, if the powdercoating process is not done properly you can weaken the wheels. CE28's are a lightweight alloy, some places will sand blast the wheels as part of the process = can damage the wheels. Some places use an oven temp way too high during the curing process and overcook it = can weaken the wheels.
Glaze, if you decide to go ahead with powder coating, just make sure you take it to a place that use low temp curing and know what they are doing.