your best bet to smooth out the 2D backgrounds is to use OGL2 and the fullscreen filter, whilst using a resolution that is a multiple of 320x240. there are also smoothing shaders if you want it really blurred out.
alternatively you can use filtering at 2 (IIRC) and that smooths the backgrounds, but it fecks with the text boxes so you might not want that....
if you want to use AA and OGL, make sure you have your gfx settings on OGL AA...not D3D.
alternatively you can use filtering at 2 (IIRC) and that smooths the backgrounds, but it fecks with the text boxes so you might not want that....
if you want to use AA and OGL, make sure you have your gfx settings on OGL AA...not D3D.