I have Stormy's in mine and love the tone. If you want a bit more push with the same character and an interesting tone with both pickups, what about the PG Blues? Mules do work in 335's too, but I like the openness of the Stormy's in them. The other pickups that really work well are T-Tops, which are the 60's pickups that came after the Patent Numbers. Riff Raff's are supposed to be like those, but I'm not sure how they would be in a 335 (if it is a bit dark they would probably be brilliant).