Sony Ericsson’s Android powered handset has already been released in the UK, Canada, Japan, India and more recently Australia, the Xperia X10 now has a US release date. The handset is due to be released in week 30 of AT&T’s fiscal year. Week 30 takes us to the end of July/beginning of August.  While we have the release date and the carrier (AT&T), we don’t have any specifics on the tariff plans.