Vector- rendering mode integrated, lots of little options that affect the end-result:

Everything vector- wise is integrated except for overlays (and they just take a few minutes), although full support (lineWidth  + pointSize) require Linux/OSX at the moment (might be able to patch something into the libretro-FBA module for win32).

The full- monty (NTSC -> Upscaler (5xBR, superSai etc.)  -> CRT -> glow trail) requires a serious setup both GPU and CPU- wise.