I typically use Google Maps for compiling mapping data for my clients or for giving the some context for a home or neighborhood.  But Bing certainly has much more updated (and thus much more helpful) satellite imagery in this area!

Preston Lake on Google Maps (no homes)....




Preston Lake on Bing Maps (most/all homes)....




Bing Maps seem to be quite a bit more useful in many areas in Harrisonburg and Rockingham County.  C'mon Google -- send the satellite by again!