April showers might bring May flowers, but the only precipitation we really care for around here is that of flagship handsets into stores. In that case, it's time to break out the raincoats: the HTC One is officially on sale at AT&T and Sprint as of today. Both carriers and their resellers are offering the aluminum wunderkind in its silver guise at $200 on contract for a 32GB model, with AT&T still holding the US exclusive on a $300 64GB v
