I've been using Veloce 10-speed cassettes for the past few years and found they wear very well so the galvanizing isn't much of a negative. As to Veloce cassettes being all loose cogs, that's absolutely right but even with the 13x29 set I use and hills I climb every day, I've never had any damage to the Chorus' hub's freehub body splines.

If money is an issue, the Veloce cassettes have worked very well. If cost isn't an issue, go as upscale as you want.