Anyone having problems with their 3G connectivity / speed on the east coast? I recently upgraded from the 3G and didnt have any issues before. But after upgrading this past week, 3G seems dreadful . I've tried resetting network settings, resetting phone, pulling out sim card (while off), toggling 3G on/off. Called AT&T and they said their are no known issues in the area. Anyone else having problems with just their 3GS?