Hitting the back button usually implies that you might be feeling a little bit of panic, fear that you've gone too far, but the forward button? Totally hopeful. Echo that feeling with the Forward Button Ring ($20) from Fred Flare.
Made of white acrylic, it would certainly go with a lot, especially if you happen to be wearing other computer icons as jewelry. And it's large and in charge on your finger, so you better be ready to commit to that piece when you slip it on.
What do you think?