I used to ride my Peruvian in traditional Peruvian saddle, I'm actually going to,recommend you to ebay
and to a saddlery known as TN saddlery, I had a friend who purchased one of their saddles and they are excellent quality well worth twice the price. The saddle is completely made in the us so you don't have to worry about trees made out of India. 16" Lightweight Gaited Saddle Western Black | eBay
They have a nice selection of saddles, but their gaited saddles open up nicely in the front so that it doesn't restrict gaited shoulder movement.