As an inexperienced guest with the various Accor brands, I have personally relied on [MENTION=209030]starflyergold[/MENTION] 's listing of brands in decreasing order of luxury found here, and I found it very useful for my purposes (so thank you for providing)
http://www.flyertalk.com/forum/accor...corhotels.html

I am not sure if it's a ranking coming from an objective source or whether it is personal opinion, but at the very least it can help people (including me) to set expectations when facing many choices in one city.

It would be useful if So Sofitel was added to that list as a separate brand than Sofitel because I have never stayed in So Sofitel so I do not know where it stands in the pecking order. Would be nice to have Mövenpick added to the list too for the same reason.

As an uninformed observation, I was surprised to see Swissotel so low on that list.