T-Mobile today announced pricing and availability details for the highly anticipated HTC HD2. The phone will be available in retail stores on March 24. It will sell for $199.99 with a 2-year-contract. Or customers may use the Even More Plus option, purchasing the phone for $449.99 with no monthly contract. The HTC HD2 was first unveiled last month at the Mobile World Congress in Barcelona. Offering the largest touch screen on a smartphone in the U.S., the new HTC HD2 will come ready with access to millions of eBooks, movies, television programs and more.