Here is one: I didn't like Bioshock 1, and LOVED Bioshock 2.
Bonus: LOVE Sonic Adventure 2 and still play it every now and then (yes its through nostalgia tinted goggles, I totally understand why people hate it)
Bonus Bonus: I ABSOLOUTLY LOVE SONIC SHUFFLE* and think it stands up very well against the Mario Party series (first 4 games, everything after sucks

)
*For those of you who don't know, Sonic Shuffle was SEGA's take on the Mario Party series. Most people hated it when it came out, calling it a clone and such. But I think its a great game and will defend it till I die.