There's a barn in southern NH (Dover) called Winning Ways. When I was very young I trained with the lady who owns the facility. I know she often has horses for sale that can range anywhere from your budget up to $30K+. Might be worth a shot to check out her website, though, or give her a call and see if she knows anyone who's selling. She is well known and I can only imagine she has a lot of contacts in the southern NH/northern MA area. Good luck! Winning Ways Stable, Inc.