This is an incredible update to Google Earth, all the buildings in Manhattan have had a major facelift.  Plus there is a unknown feature that allows you to jump from building to building like you are Spiderman.

For the Realistic Buildings:

1. Download/Update to Google Earth 4.3
2. Go to NYC
3. Turn on 3D Buildings

For Spiderman Surfing:

1. Do all the steps above
2. Right click and drag (a target will pop up on the screen pointing to the building you want to fly to)
3. Mac: Ctrl + click and drag

Related Links

• found via Lifehacker
• Google Earth Blog
• GoogleEarthUser.Blogspot