Lets say its 2200 and you have access to a wide array of body mods, better limbs, better organs, even faster thinking via neural implants. Where would you draw the line and why?

"I recommend a book by Michio Kaku titled "The Future of the Mind". As a vague idea, he suggests a line will be naturally drawn as to how far to take augmentation. People are very driven by sex, and most people would not want to give that human part of existence for a digital one... At what point do you actually lose yourself? Also, he suggests an interesting form of transition into a synthetic body. By gradually copying and replacing portions of your brain including memories, and feelings (In theory of course), and keeping that person conscious throughout the process, would provide a continuity of the consciousness and give the person a synthetic, basically immortal body, with the same mind and "soul", if you will... "