Tom,
Don't know of any stores in Dallas, this is address of store that someone on the forum sent out last night... McKinney is just north-north east of Dallas.. I think it butts up to Plano, which shares north city limits with Dallas.
Curly Woods
1006-B North Tennessee Street
McKinney, Texas 75069
Telephone: (469)742-0097
Toll-free: (866)Mr.Woods (866)679-6637
web site looks good.. don't know anything about them otherwise.