nuts in general

So i bought a pretty heavily used Ibanez RG5328 on reverb and am in the process of fixing it up a bit. One of the main issues was ( i think) the nut. It looks decently worn and i was getting some pretty bad buzzing on the open B and A strings. The graphtech 1354-00 is a bit too narrow and...

how well can a kahler flutter? I've never actually seen someone flutter on one, and was wandering if it can be made to flutter like a floyd, because I've been leaning more and more towards kahlers.