Atm, in our current technological/medical level:
- Fore-legs/feet are easily replaceable with prosthetic. The whole leg is a little more complicated.
- Fore-arms/hands are nearly possible with prosthetic. The whole arm is a little more complicated.
- Eyes are not possible to replace with prosthetic right now.
If I had the choice, I'd keep them all. If I didn't, and there was no way to stop it, I'd give up my legs.
I won't vote, because I'm feeling some bad voodoo right now...