Dogfight time, Android versus Windows Phone style!  Aaron throws the HTC One S and Nokia Lumia 900 into the ring.  T-Mobile's HTC One S can be had for $199.99 and packs a 1.5 GHz dual-core Snapdragon S4 CPU, 4.3-inch Super AMOLED display, 8-megapixel shooter with 1080p HD recording, a front-facing camera, 1,650 mAh battery, HSPA+ 42 Mbps (4G), and Android 4.0 (Ice Cream Sandwich) with HTC Sense 4.  Nokia's Lumia 900 is one of AT&T's flagship Windows Phones and offers a 1.4 GHz single-core CPU, 4.3-inch AMOLED display with Nokia's ClearBlack tech, 8-megapixel camera with 720p HD recording, a front-facing camera, 1,830 mAh battery, 4G LTE, and Windows Phone 7.5.  It's got some nice features and better yet, it's only $99.99 on contract.

Which smartphone is the all-around best one to have for two years?  Part 2 of 2.