If cranial implants could provide digital communication, enhance memory, afford "super vision" etc.:
a) I'd sign up as one of the earliest testers
b) I'd wait a few years until the bugs are worked out
c) I'd consider some modest enhancement as a "trial"
d) My decision would be based purely on cost/benefit
e) There's no way in hell I'd get one
f) I'll figure out how to hack the system and create my own army of zombies"