Mindscan by Robert J. Sawyer

This is a fun, fast moving SciFi novel. Jake Sullivan has a problem with his blood vessels in his brain which he inherited genetically from his father who became a vegetable because of it. Jake jumps at the chance when the technology comes to be able to transfer his conciousness into an android form, while his old "real self" goes to retire on the far side of the moon and finds a new cure for his problem, the new Jake falls in love with another mindscaned android on earth. While a major court case to determine if mindscanned people are actually legally who they used to be, the old Jake wants to go back to earth and resume his old life. As you can imagine there are a few complications...