If your around Hartford Plan B has good burgers and is pretty quick for a sit down (lunch) dinners / fridays get busy
http://www.planbburger.com/flash.html
If your traveling down in New Haven via 91 (you can still pick up 87 around NYC before it gets bad) Pepe's Pizza is a awesome place. Its in the top 10 in US all the time.
http://www.pepespizzeria.com/?page=locations
Word of advice don't fill up in CT our gas tax is out of control. Try to fill up in MA even if you don't really need it.
Nick