Choosing a host city and Gday Usa?

Our host city choices are Portland, Oregon; Valdosta, Georgia; San Francisco, California; San Diego, California; South County LA, California; Albuquerque, New Mexico; Phoenix, Arizona and Seattle Washington. If you have been to any of these places please tell me as much about them as you can and if you have been on the gday usa trip, some comments about it and were you stayed. Thank you.