You can install a T420 keyboard into a T430/T430s/x230. This requires a really tiny modification to the plastic, cutting/filing it to fit, but the connectors ar

You can install a T420 keyboard into a T430/T430s/x230. This requires a really tiny modification to the plastic, cutting/filing it to fit, but the connectors are the same. There will be a couple keys that remain dead, but aside from that, it works great. There is also the Thinkpad 25 retro, if you have a ton of money, but I haven't gotten a chance to try that keyboard.