the discs you have are fine. if you want some new one look at getting a z and x xpress. in the different plasics the fly different. the x is understable and the z is very straight.
Sole, Summit, ridge, vp, ibex, obex, trak, ascent, unlace, lace, olace, solace,
i have seen monkey sh!t fights at the zoo more orginized then this.