This video, published by ESA (European Space Agency) gives some idea what it's like to take a space walk. Hollywood did a great job of recreating something similar in the movie Gravity, but there is nothing like seeing the actual thing. This movie was filmed on a GoPro that looked like it was attached to the astronauts arm. For the best view, watch this on the biggest screen you have and set it to full screen.
This is a really cool web page that allows you to do just that (without all that zero gravity of course). It allows you to navigate the entire space station and gives little snippets of information in your own time at your own pace.
Click on the image or follow the ISS TOUR LINK.