For me it's FUD or nothing. Until printing resolutions get smaller than our senses of touch or sight can detect, any surface that isn't flat horizontal is going to have some roughness and stepping, the tactile equivalent of images pixelating when you zoom in close enough. FUD have may some issues, but trust me, just about anything else(ESPECIALLY White Strong Flexible) is going to be noticeably worse.
FUD is also easier to paint. It's more or less a solid plastic, while WSF is still kinda granular deep down. As a result, that stuff will soak up paint like a sponge, requiring more than you're used to in order to coat the surface.