Our friends over at TmoNews are great at what they do - tracking down as much T-Mobile information as possible. Still being billed as a rumor for now, the guys have obtained a screenshot of what appears to be a 2009 3G launch list:
April
Shreveport, LA
Lubbock, TX
Wichita Falls, TX
May
Rockford, IL
Springfield, IL
Beaumont, TX
Bryan, TX
College Station, TX
June
Henderson, NV
Tucson, AZ
Mesa, AZ
Scottsdale, AZ
Peoria, AZ
Colorado Sprints, CO
Pueblo, CO
Daytona Beach, FL
Des Moines, IA
Eugene, OR
Salem, OR
Columbus, OH
Springfield, MA
Manchester, NH
Portland, MA
Brownsville, TX
Corpus Christi, TX
Laredo, TX
McAllen, TX
3G deployments slated for a Q3 launch (dates not provided)
Little Rock, AR
Hartford, CT
Wichita, KS
Charlotte, NC
Albuquerque, NM
Omaha, NV
Rochester, NY
Cleveland, OH
Nashville, TN
El Paso, TX
Salt Lake City, UT
Spokane, WA
Milwaukee, WI
3G deployments slated for a Q4 launch (dates not provided)
Honolulu, HI
Mobile, AL
Jacksonville, FL
Louisville, KY
Oklahoma City, OK
Pittsburgh, PA
Of note, it's very interesting to see how T-Mobile is launching their 3G service - definitely not launching in order of the largest cities. Perhaps it's based on subscriber base in said markets? Check out the screenshot below, and hit the comments section if your city is (or isn't) in the list!