The Connecticut Community Resource Inventory Online (CRI) allows Connecticut residents to download a variety of maps for every township in the state, including maps displaying topographical, soil and water, transportation, political, and agricultural information.
From my hometown Urbana, vector and raster data for all the world!
"Access Illinois GIS data sets and documentation (metadata) for ArcIMS Interactive Map Services, USGS digital topographic maps, aerial photography, orthoimagery, orthophotography, geology, land use, natural resources, and infrastructure. Illinois data sets and map data layers are available for download free of charge."