Originally Posted by
nashcommguy
Unless you've got a series of brutal hills I'd go for a simple single speed w/a coaster brake. Big tires. Put a rack/trunkbag combo or a basket of some sort and enjoy yourself.

Yeah, the OP might be a good candidate for the Torker discussed here:
http://www.bikeforums.net/showthread...-on-this-puppy
I tend to ride pretty fast, so I would definitely go with the front brake suggested in the thread.