Al will ba long shortly to give you the complete list, but one place you must journey to is the Spare Time Shop in Marlborough/Marlburo on Rte 20. Well worth the trip and among the best LHS I have visited in any state I have lived in.
There's also a nice shop called the Hobby Emporium in Tyngsburo, Mass. It is just south of the Pheasant Lane Mall in Nashua, NH.