I am not 100% sure but I believe the britax b agile which is very similar to the citi mini does stand on its own. My sister has been looking is favoring the britax over the citi mini. Baby gizmo also gave the britax a slight edge over the citi mini as well.
I read this as well, so we checked it out at BRU during the same trip we made to look at the City Mini. We could NOT get that thing folded. At all. Not sure what we were doing wrong, but it just would not fold. And the people that work there are no help! But, after looking at them side by side, we did prefer the City Mini. I would just recommend going to the store and looking at them both before you decide. I'm glad that we did. I wish I had done more research before buying the 2 strollers that we currently have, lol.