I pointed out some incremental improvements in Google Maps to David Parmet, and he asked if I’d seen the Yahoo! Maps beta. I hadn’t, but now I have.
This Yahoo! Maps beta is vastly improved by the lack of advertisements, but is otherwise non-functional.
Meanwhile, Google Maps is centering the initial map on my last local search result. If I search for another address, I have the option of setting that as the starting point. And the map of results now fills the browser window.