Specs:
CPU: AMD Phenom II X4 955 BE 3.2ghz
RAM: 8GB DDR3
GPU: MSI AMD Radeon HD 6950 2GB Twin Frozr II
OS: Windows 7 x64
Driver Version: AMD 12.8
Settings: Set to around High/medium
I get an average framerate of around 20-30 fps. In large areas e.g. citys or large environments it can dip my framerate to around 15-20 fps. In places with large amounts of players and WvW i can get around 10-15 fps.