It's epsxe with Pete's OGL2 plugin (so really close) with everything maxed off + OpenGL Antialiasing shader (from pixel shaders from Pete's site; AA makes big difference)... Can't tell it's the best it can do (I mean...
http://imageshack.us/photo/my-images...03it2.png/sr=1 - i've tried almost every shader to make my game look like that with no luck : o)