Wes, great work as usual, and I'd also never heard of shrink pots before. Cool idea!
I once sawed up what they call "popple" (poplar) around here -- looks very much like what you have there. But it was really eastern cottonwood. It really went nuts after sawing though, warped and twisted up into bananas instead of boards, also split and checked like crazy, so I've stayed away from it since then. Too bad because I have a lot of it growing here. I was wondering if it could be turned on a lathe, though and whether the small size, thin walls and round shape of a bowl would help in drying it and keeping it stable. It would be great to use it for something. It's not good firewood. I have two trees I'd love to cut, right in front of my house that are 2 feet across and probably 90 feet tall. But the mess that would result with no purpose for the wood has stopped me.
Anyway, very much looking forward to what you do with it and how it works out for turning. Keep up the good work!