I know its been a while so perhaps you've found something. If not, I know of a store here in VT that you would more than likely find success with. It is called Rags and Riches and is located in Burlington, VT near the airport. You can see their website here
http://ragsandrichesfabrics.com though they do not show all their fabrics on the site.
For me it's like a grown up candy store. I can't get in and out of there in less than two hours. There is just SO SO much for selection and their prices are very discounted. There is even a good selection of clearance fabrics for $5 and $10 per yard. I am not sure how long it would take to get there from your locale in NH but probably worth the trip. Burlington is a great town for a day trip anyhow, particularly in the holiday shopping season.
Best of luck finding your fabric. I encourage you to call the folks at R and R as well - they're all SUPER nice. Happy sewing!!!