PROS
>Amazing Soundtrack
>Very colorful areas
>Following Pokemon
>Worthwhile Events
>Team Rocket
>Giovanni + Red Battle
>Best trainer designs
>Best starter designs
>16 Gym badges
>Content heavy
>Very classical and simplistic actually feels like a Pokemon game.

CONS
>The level curve is barbaric
>Whitney
>How kanto and Johto are barren and lack Pokemon species variety.

I can keep replaying this game again and again. However, I can't even replay X & Y, BW, or BW2. No, it's not the nostalgia talking, but Game Freak created the definitive Pokemon game and this is it. In my eyes I don't think they could ever top it ever.