I discovered the other day that is it, indeed possible to do cable in crochet. It's a very different looking animal, from what I've seen; more rough than the smooth texture you would get with knitting. But since I am a hopeless knitter, I have decided to play with crochet cable. I am confident that I can run off a top, with cabling and a nice, small cockle-shell pattern.
Maybe in a nice moss green. I have my eye on some lovely yarn in my local Ye Olde Yarne Shoppe.