There are a number of updated datasets on the GIS Hub and a new one added:
Fire Districts (Updated, courtesy of the Department of Transportation)
City Boundaries (Updated, courtesy of the Department of Transportation)
County Roads (Updated, courtesy of the Department of Transportation)
MET Tower Locations (New, courtesy of the Aeronautics Commission)
Accessing the Data
Datasets can be downloaded and/or accessed via web-based data services. More information on these datasets can be found on the GIS Hub Data Portal. You can search for these datasets (e.g., type in: met) or you may find it convenient to simply locate the data by browsing through the themes.
Be sure to check out the ArcGIS Online section of Accessing Web Services and the Data Download page for help on using the GIS Hub Data Portal.