The official Team Fortress 2 blog is up to Day Three
in the listing of cool new stuff you can expect to see in the upcoming Engineer update, and today's reveal is a new map called Hightower.
You can check out the Engineer update promo page
which has word of the other changes announced so far, including "The Wranger", a remote sentry gun controller and "Frontier Justice", a replacement for the shotgun which boasts two crits for every kill your sentry racks up.
The Engineer Update is almost officially upon us, and be sure to let us know as soon as you've given it an official run, your thoughts.