you can swap x230/t430 to the x220/t420 keyboard, for what it's worth.
sticking point to me on the X220/230 is that 1366x768 screen, but I believe the X230 can be upgraded to 1080p.
sticking point to me on the X220/230 is that 1366x768 screen, but I believe the X230 can be upgraded to 1080p.