Twesterm it is because she isn't a particularly good looking and has a good voice that she is selling so well, that and the fact she was on AMERICAN IDOL and X FACTOR, the biggest mainstream music shows.
ALSO 550K is an estimate of what it may do, it could very well fall short of that. The fame monster may sell more than 350K, considering its selling alot more albums than susan boyle on itunes *both versions of TFM*.








