Howtogeek posted a screenshot tour of the new Office Web Apps

One of the most talked about new features of Office 2010 is Web Apps. Here we bring you a tour of the Web Apps service and what you can expect. We cover the highlights and some areas that could use improving.
Office Web Apps are a great counterpart to the Office desktop apps. They render docs very well, and let you quickly edit and collaborate on important documents with familiar tools.

  Screenshot Tour: Take a Look at the New Office Web Apps