Aww, I used to have some of those plushies too. I had the whole first series of the trading cards, too, and some of the bigger plushies, but I gave them all to my friends when I thought I lost interest >_> A few years later, I'm back at Neopets. . .
I hope you feel better soon ;-; I transferred most of my Pokemon with the free trial, but I think I"m going to have a lot of Pokemon stuck in Black 2, still. Which is a bummer. Haha! Good luck! In X and Y, the Exp. All thing is really useful, but in Black/Black 2 I think the easiest way to train is to give the Pokemon you want to train, a Lucky Egg, and then run around until you see the grass shake and battle the Audinos in the shaking grass, because they give A LOT of experience. I remember I got one Pokemon to go from level 50 to level 70 in one afternoon :o