In reply to JoelPatchitt:
As mentioned above whatever fits well, id maybe avoid certain shoes with thinner rubber such as Tenaya's that use 3.5mm. Purely for durability sake, below £100 there's no end of choice! Vapor V (the lace up fits me better though), Ocun Ozone, Miura VS, Katanas, Anasazi VCS, Evolv Shaman, Boreal Diabolo etc... Probs £80 - £90 for most of these though. Although many will take a good resole, my old pair of Miuras are on their 2nd (soon to be third) and a still good for most things except stupidly small edges.