Guess what's officially on its way to US Cellular in October? The headline probably gave you a pretty good clue -- it's the HTC Hero S. And it's not coming alone: apparently the new device is big enough to warrant its very own entourage. Its brethren, the Wildfire S and Flyer, will both waltz into stores at roughly the same time. The Gingerbread-running Hero S will offer a 1.2GHz Qualcomm MSM8655 CPU, 4-inch qHD (960 x 540) display,