Around the similar sponge hardness - harder topsheet (Rasanter R45), more top-end catapult (FX-D), or Omega 7 Euro perhaps. Aurus Select?
Or a harder sponged...something I guess. If you like the soft topsheet feel, Omega 7 Pro, Acuda Blue P1, or one of the Nittaku Fastarc rubbers? So many...