Since MyWireless is effectively a 3G/UMTS based technology, this article may be of interest as it compares Vodafones 3G data service to BT's Wifi. Ouch, expensive in Europe too....
http://www.arcchart.com/blueprint/show.asp?id=357
Ciao
Simon
http://www.arcchart.com/blueprint/show.asp?id=357
Ciao
Simon