We've gotten multiple clandestine clues that Sprint would sell the Xoom -- a calendar entry here, an accessory there -- but there was nary a confirming peep from the Now Network itself. Until today, when it announced that it would join the legion of retailers peddling the Wi-Fi version of Motorola's tablet for $599.99 on May 8th. That's right, the carrier will start selling folks the sweet Honeycomb slate
