It's time for another dogfight!  Aaron pits a great Android smartphone against a great Windows Phone to see which one is the must-have handset.  The HTC One S is available now at T-Mobile for $199.99 and packs a 1.5 GHz dual-core Snapdragon S4 processor, 4.3-inch Super AMOLED display, 8-megapixel camera with 1080p HD recording, a front-facing camera, 1,650 mAh battery, HSPA+ 42 Mbps, and Android 4.0 with HTC Sense 4.  The Nokia Lumia 900 is one of AT&T's flagship Windows Phones and sports a 1.4 GHz single-core processor, 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.  Better yet, it's only $99.99.

Which one offers the best all-around package?  Part 1 of 2.