I've been warned away from the Ultimaker 2+ by a vendor on 3DHubs.com because I wanted a 25 micron figurine from the Ultimaker 2+, and I was told he never uses any resolution lower than 100 microns because the "25 micron figurine doesn't produce reliable prints, and isn't worth pursuing at that resolution."
Any help in this question would be greatly appreciated - it's guiding a major purchasing decision.