It needs a "Download All" button badly at the State level. Downloading individual Counties or Cities is a pain if say, you wanted to do a driving cross-country.
Also curious, but don't have time to test... wonder if they fixed the problem ForeFlight ran into where iOS 5 will delete downloaded data to make room for other downloaded data unless you utilize the new API to lock things...
Download another giant file, say a movie... lose your maps...
FF fixed it, wonder if these guys did for $1...