Success! (Sort of.) Of the two pieces, the smaller one cooked a little faster. I pulled it at 195, thinking the temp would rise a little more as it rested. Probe test felt a little tough, but it was getting late and we were getting hungry. Temp never rose, just started to drop after a couple minutes. I decided to go ahead and slice it. That was a mistake. Flavor was good, but meat was chewy.
The bigger piece was better. Brought it up to 200, probe tested better, rested for 20 min. then sliced. Much better results.
Learned a few things about the miniWSM as well. Looking forward to trying again. Thanks for all your help guys!
-Jed