Reliable sources are confiming the news that the HTC ThunderBolt is now scheduled to launch on March 21st, following repeated delays. This date lines up with an earlier report that noted a March 21st release date briefly featured on HTC’s Facebook page. This new powerhouse of a phone is sure to grab some big sales, as it is boasting the fastest functionality of any phone out on the market, measured by independent third-party tests. Will you buy the HTC Thunderbolt, or wait for the dual-core line-up coming real soon?