I'm trying to figure out whether it's best to:
stick with the tried and true link text for login ("log in" -> linking to the login page)
Make the login button custom to the site and somewhat of a call to action ("Become a ninja" -> linking to login and signup page.)
The familiar and boring vs. the custom and possibly ambiguous? (Err, this is in context of a ninja webgame [ http://ninjawars.net ], of course)