A little out of the way, but, I can't speak highly enough of Audrey at Lakeside Grooming in Gilmanton over on Crystal Lake. She has a "salon" in her home and really goes the extra distance to provide good service. She puts photos of all of her clients on her webpage. Here's some pics of my Jake when he was just a puppy......
http://www.cleandoggie.com/JakeMcDude-golden.htm