Places for training other than mission spots in Section 2 - [15,68] [17,74] [52,82] [52,83] [53,83]
Spots to buy/trade @ in section 2 - [11,63] [53,86] [19,96] (this last 1 is the best spot with the most stuff for sale/trade i've found so far)
Spots to buy/trade @ in Section 3 - [51,107] [60,110]