I'm actually replaying Leafgreen, Sapphire, Emerald, and SS. I am never going to restart Pearl (dude, that is my pokedex game. NOT deleting that. D=<). Although, if I can get access to another DS, I'll trade my awesome Platinum pokemon to my Pearl and start that over.
Oh, poop. I've played through both games and have restarted Black :D
They're pretty dang good, definately the best pokemon games ever, in the main series at least. N is awesomesauce :3