Rogers promised that October 1st would be a grand day for its LTE expansion plans, and we're now learning that it might have been underpromising to overdeliver later. The carrier just flicked the 4G switch for 18 cities and regions, or eight more territories than it had promised just two weeks ago. Most of the coverage still focuses on the southern tip of Ontario, including London, the Oshawa area and RIM's hometown of Waterloo, but there's a much more trans-Canada bent to the official deplo