does anyone already have the TB anya hurrache flats? are they comfortable for excessive walking if you live in the city? i only have one pair of TB shoes and they're revas (of course) and slightly tight, so i'm going to the 7.5 for whichever sandal i get. it's between these and the emmy, but the anya is winning me over because i can get them during bloomingdale's upcoming sale. i have not seen the black patent emmy (which is the only one i want) on sale anywhere, and do not see it on Saks site so i don't think i'll be able to snag it during F&F. any opinions?