I wouldn't mind trying such a life in a situation when I have no other options left except Death.
I am not sure about "You'd never be able to feel any sensation as you can now"
Sensations are electric impulses translated in the brain into what we call feeling and sensations.
If science can bring us to a live head with a bionic body, it will probably also bring us to feel and sense trough artificial electric impulses
I think I'm gonna give you that one. d;o)
When the only option is death, and you've REALLY got things to contribute to society as a whole, then yeah, I can see the benefits MAY, in some cases, outweigh the potential negatives.
Once they find out how to solve the nerve problem, as you say, that really would be the worst part of the problem solved. Even better, as it could then be used to repair people with spinal damage, and in many cases, get people's limbs functional again that way, as well.