Also - another thought, the Ace Hardware store in Aston purchases chicks annually - if you go to the building behind the Ace Hardware you can ask at the equipment desk and he'll tell you when they get them. I think you have to pre-order but if you are starting a new coop, it's a good place to get chicks. Not sure if you get them sexed or not, in which case you'll have to probably deal with the males after it becomes obvious.
If I think of any other local tips I'll let you know!