Granted. When I was in the UK on business, I brought an old Google Nexus One, and was able to get sim-only prepaid 3G voice and data dirt cheap. It was slow, th

Granted. When I was in the UK on business, I brought an old Google Nexus One, and was able to get sim-only prepaid 3G voice and data dirt cheap. It was slow, though (Vodafone).