I tried them at Ralph Brennan's Creole Cafe (the counter service at Ralph Brennans in DTD) and was not impressed. They had just made a fresh batch, but I found them greasy and heavy. This from a girl who looooooves doughnuts, elephant ears, etc. Go figure. I don't know quite why, other than they just seemed too greasy, and not very flavorful.
I'd like to try them at Cafe Orleans in DL, I've heard they are better there (the Mickey-shaped beignets!). Be interested to hear any other comparisons.