Thanks for all the responses - plenty of advice, but I don't think I'm any nearer to making a decision! I guess I'll get one (not sure which just yet, I'll have another read of the comments before deciding) to try. I agree that Super Vampers could vary - I think the C ones used to be worse than say D or G, but I put that down to the key rather than the individual harps, because C ones never sounded as good, to my ears.