Virtual Earth

Google has received so much hype these days, and MSN is trying to catch up. Virtual Earth is their competition to Google Maps. Honestly, I like it a little better in terms of the UI. It uses more screen real estate, and has a couple better functions that Microsoft won't hesitate to brag about. Instead of doing my own, why don't you read a comparison already out there.

Here's a site where you can play with both maps side by side.