Photojojo – Aperture Keyboard skins
Photojojo – The Fastest Way to Learn Keyboard Shortcuts for Photoshop, Aperture, FCP, and more: http://photojojo.com/content/buy-this/photoshop-keyboard-skins/
This looks interesting: a fairly reasonably priced set of silicon overlays for various Apple laptops and current keyboards (and, for that matter, more than just Aperture).
The layouts are tailored for US keyboards, so I sent a message via Photojojo’s feedback [...]