Agreed that the recent clarification should have prompted Gox to register.  However, I can't find any info about any of the exchanges registering (CampBx, Coinbase, Tradehill, Coinlab, Coinsetter).  Has anyone found any evidence that any of the exchanges has registered?

MSB Registration Number: 31000024917794
Registration Type: Initial Registration, Corrected Report
Legal Name: CoinLab, Inc
States of MSB Activities:
Washington

MSB Registration Number: 31000025767705
Registration Type: Initial Registration
Legal Name: Coinbase, Inc.
States of MSB Activities:
Alabama, Alaska, American Samoa, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, District Of Columbia,
Federated States Of Micronesia, Florida, Georgia, Guam, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas,
Kentucky, Louisiana, Maine, Marshall Islands, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri,
Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Northern Mariana Islands,
Ohio, Oklahoma, Oregon, Palau, Pennsylvania, Puerto Rico, Rhode Island, South Carolina, South Dakota, Tennessee,
Texas, Utah, Vermont, Virgin Islands, US, Virginia, Washington, West Virginia, Wisconsin, Wyoming