No surprise here, but T-Mobile has been prepping a low-end Android phone called the Prism for quite some time now, and it's finally time for the little guy to make its official debut. With a 3.5-inch HVGA display, 3.2MP fixed-focus camera and Android 2.3 (Gingerbread), it won't be the stuff dreams are made of. The CPU is also unspecified, which leads us to believe that T-Mo is leaving it out of the talking points for a reason -- yesterday's leak indicated that we can expect it to be 600MHz. That said, plenty of potential buyers wanting an inexpensive smartphone may be easily persuaded by its $20 price on contract (with a $50 mail-in rebate) or $150 without a