WerePuffin

I just played a TON of XCOM: Enemy Within, and I loved it. It got me wondering, IF you could replace one of your bodies with a superior cybernetic component, BUT you would lose your sense of touch/nerve endings. Which body part(s) would you replace and why? I'll start with myself as an example. I would definitely replace my right eye. I have right eye that was permanently injured in a car accident, no nerve endings in the eye, so, win win. Other than that, maybe my legs, so I could run faster. Just hard to remember not to play "footsey" with a girl under the table. What do you say group, what would you get SAWN-OFF and replaced with a cyborg version?