The 2013 GT Traffic 2.0 is on closeout at REI at $599.00 and has 27 speeds. I see its available in M.

GT Traffic 2.0 Bike - 2013 Closeout at REI-OUTLET.com

The 2014 GT Traffic 1.0 Commuter Bike at Performance is listed for the same price and in M.

https://www.performancebike.com/bike...400309__400309

GT Traffic 2.0 also at Performance - on sale at $499.00 and available in M.

http://www.performancebike.com/bikes...400316__400316

From America's Bike Company, the GT Traffic 3.0 is $414.00 and is also stocked in M.

2013 Traffic 3.0 Urban Bike

So you have three different models available as well as the single speed available on BD. You have to decide whether the other models features justify the higher price.