Though an errant Google ad gave away some of the surprise a few weeks back, AT&T has just announced that the Sony Xperia ion will be hitting all of the carrier’s sales channels on June 24 for $99 with a two-year contract.Sony Mobile fans with a hankering for some high-speed data will be glad to know (or be reminded) that the Gingerbread-powered Xperia ion is the company’s first LTE smartphone to land here in the States.