Pretty much what MaiSheri said. Personally I think it's worth it to go the last day. (We actually leave Monday because most people are gone by then and check out is waaay less stressful. No checking out, packing, going to the con at once lol)
Can you make the decision once you're at the con, or when they release the time for panels, workshops, etc?
Kotori Minami - Love Live
Ema Skye - Ace Attorney: Apollo Justice
Yuki - AKB0048