I'm in the same boat with a 12yr old RS Judy. Looking around, I find the choices very limited because most forks now aren't v-brake compatible. Basically the only ones I can find are either the RS Toras or Marzocchi 22 or 44. Another thing to keep in mind is the change in travel. Not sure what your fork has, but my Judy is only a 63mm, so jumping up to a 100-120mm may change the geometry up a bit (someone please correct me if I am wrong on that).