Surely you remember the Kyocera Echo, that dual-screen Android 2.2 phone that Sprint unveiled way back in February. Well, if it managed to pique your interest, then you'll be glad to know that Sprint's thrown up quite the unique reservation page that will let you reserve the phone now for $200 (after a $100 mail-in rebate) to ensure you'll have it on its April 17th release date. The company warns that there'll be limited quantities, so if you want to be the only one in town rocking a dual-screen smartphone, hit the source lin
