It's only been a few weeks since the Optimus 2X crossed the desk of our European review bureau as the first known dual-core smartphone in the universe. Now LG's wunderkind has made its way across the pond and landed on US soil to be reborn as the G2x on T-Mobile. While the hardware remains the same elegant Tegra 2-infused slab of glass, metal and plastic, the software has been liberated from the shackles of LG's UI customizations into a serving of vanilla Froyo -- the exact same approach T-Mobile took when it introduced the