I know that this text is very widely known, but I only became aware of it recently.
Here is one translation of it:
It's quite a bit shorter than Shantideva's Bodhicaryavatara, and I think it makes for a great introduction to Tibetan Buddhism.
Here's an explanation of the text from the Berzine Archives:
http://www.berzinarchives.com/web/x/nav ... 50866.html