It took a little longer than expected, but the first major docking solution to transform ones iPod touch into a full fledged navigating machine is now shipping directly from Apple. Dual Electronics' XGPS300 was originally announced way back in November of last year, and after a minor hiccup in January, we're finally able to plop down $199.95 to snag a window-sucking cradle with an inbuilt GPS receiver, rechargeable battery, amplified speaker and NavAtlas US / Canada map app. So, what'll it be? This, or one of those per