The minimum specs for Microsoft's Windows Phone 7 OS have taken a nice bump upwards, it has been revealed at this year's MIX. Current WP7 handsets are all running the Qualcomm MSM8x50 Snapdragon, the original 1GHz chip with Adreno 200 graphics, but Microsoft has now upgraded the requirement to Qualcomm's second-gen part, the MSM8x55 and the more powerful Adreno 205 GPU. That's already seen widespread adoption among devices like the HTC Thunderbolt and Xperia Play, but Micr
