Last month, British MNO（Mobile Netowkr Operator）,Everything Everywhere have opened the notice that they will launch new MVNO with China Mobile.
 
http://everythingeverywhere.com/2012/01/04/china-telecom-europe-selects-everything-everywhere-as-uk-mvno-partner/
 
Regarding MVNO business model, we could see another generation today and newly innovative scheme may will be emerged globally.
You could also refer the