The Monster Hunter MMO out in Japan.....but I know what you mean >_>
Not really sure though. TERA came kind of close, but there is a lot wrong with that game, atm; it's a new MMO so it launched with a ton of problems. Hunter Blade might be what you're looking for. It's a Monster Hunter clone.
This is your life, and it's ending one minute at a time -Tyler Durden