What Anchor text is being used by my competitors and how many times?

[dynamic08]

Is it possible to check out my competitors and see how many times there back link is using the anchor text "buy widgets here" for example?

[KeriMorgret]

Yes! You'll want to go to Open Site Explorer and type in their domain and you can move lots of switches and levers there to see all kinds of data. http://www.seomoz.org/blog/one-giant-leap-for-link-data-announcing-open-site-explorer is an introduction from when OSE was first launched and can give you an idea of some of the neat things you can do.