I've incorporated this list into
http://www.flyertalk.com/forum/7105335-post3.html - the properties marked (A) are renovated Amerisuites - those that aren't renovated Amerisuites are "blank" (they could either be "new" purpose built or renovated but not from a former Amerisuites). I tried to verify by the pictures but it can be difficult since Hyatt Place seem to use "stock" pictures although the "non - A" properties have a slightly different tone.
Anyways, if you find that I've mis-labeled any of them, please feel free to either post here or PM me to correct.
Also, it should be noted that 10-20% of the above list of properties were not converted over to Hyatt Place.