I think I've said this before, but the best side effect of Google's innovations is that they light a fire under Yahoo to stop being so stagnant.
Yahoo Maps Gets Drag-and-Drop Rerouting
Props to Yahoo for the comparison of old route vs. new. I also liked the rubber band effect on the drag, but have to agree that Google showing you the name of the street you're dragging onto wins out.
Now, when will someone give me my web based LineDrive directions back?