In this screencast, you can learn how to group views on a specific field. You also get a brief look at the "archive" available out of the box.

In this case, we're grouping by post date, but you could group on any field. This would be the output you'd get a monthly archive like this:

January 2012

- Post title
- Post title

March 2012

- Post title
- Post title

Watch the screencast, 4 mins. English. http://www.youtube.com/watch?v=Cp2SPiwA2Qg