Immortality, of course. Because I can wait until someone or myself finds cure to my painful or deadly disease, if I have one and don't die only because of immortality.
Would you rather have device that can read your mind and transfer it to perfect quality videos, pictures or texts, so you can make any drawing, movie, cartoon, or writing fiction, or device that would give you 100% control on your dreams wheere you can do and feel anything you want?
SUBGOD DAMMIT, GIVE ME BOTH DEVICES!!!!!!!!!!!!