Here's some interesting news for AT&T subscribers. Engadgetmobile reports that a leaked consumer survey from Garmin suggests that the Garmin Nuvifone may be coming to AT&T. In the survey, Garmin asked the participants about the Nuvifone being on AT&T after inquiring about their habits and preferences. The participants were questioned about their willingness to purchase a Nuviphone if it was offered by AT&T for a 2-year subsidized price of $499, requiring a $20/month data add-on that includes unlimited browsing and GPS navigation. The Garmin Nuvifone offers a 3 megapixel camera, 3.5-inch touchscreen, GPS navigation, 3.5G data, WiFi, plus audio and video playback.