The email I got linked me to a ton of YouTube videos about the ATS and XTS for those interested. Depending on which videos you select, you see a variety of new listings for viewing for the inside and outside of both cars. A wealth of very interesting viewing -

Look for videos by Autobytel. They are presented by GM engineers/mgrs. and do a great job with walkarounds for inside and outside. Just have to hunt and peck for them - for XTS and ATS.