Someone I don’t know sent me a note saying “As promised, here’s a CD with our beta map technolgy…” some months ago. It didn’t entice me enough to install it. But, apparently, it perked up someone at the Washington Post, who offers a mediocre review of Schmap, what she calls the combination of Google Earth, Frommer’s and Mapquest.
You need to download a player (boo! - but here’s the explanation. For now its Windows only, Mac expected in November) but the site has no ads and does not accept payment for inclusion.