You'll also get better offline reliability for Maps if you lose your Internet connection. You'll be able to continue viewing the map around the places you use Maps the most, and Google Maps Navigation (Beta) will automatically reroute you offline.
Update to version 5.0 by searching for "Google Maps" in Android Market. Learn more at http://www.google.com/mobile/maps/3d
Note: 3D and offline features require Android 2.0+.
Music: "Something In 3D" by Built By Snow