Sprint has announced today that they are making available to business customers the Sprint version of the EV-DO enabled Sierra AirCard 580. Sprint also stated that this does not mark the launch of EV-DO on their network, simply that they are making the card available now to prepare customers to use EV-DO when it is available.
Sprint did announce that data card rates would not change for EV-DO, and that the card will be available for $299.99.