I bought these shoes at Target a few weeks ago, only to get home and discover that there's a ridge in the fabric back at the heel that makes them super uncomfortable! I still haven't gotten around to returning them, though.
My neice has a similar pair, an claims they get very comfy after you wear them for a while. I'm not sure if I want to deal with breaking them in, though.
So- vote! Keep the shoes? Return the shoes? Their fate lies with you!