If you had $1,200 dollars laying around.would oled keys not be a lot better such as the ones used on the optimus keyboard concepts??
http://www.artlebedev.com/everything/optimus/
http://www.engadget.com/2006/11/29/optimus-103-keyboard-demands-1-200-pricetag-yes-you-read-th/
luv ya bunches! xoxoxo