Aaaand here's the latest bunch of additions! I know you already have a few of these, but let me know if any others catch your eye (besides Friend Ball Ralts, which I'm already breeding for ya).
Fast Ball: Electabuzz, Doduo, Plusle, Minun, Linoone
Friend Ball: Skiploom, Ralts, Diglett, Gulpin, Farfetch'd, Spinda, Numel, Kricketot, Carnivine, Budew
Heavy Ball: Miltank, Skarmory, Mawile
Level Ball: Electabuzz, Meowth, Skarmory, Absol, Makuhita, Spinda, Spoink, Numel, Kricketot, Carnivine, Chatot
Love Ball: Lapras, Ralts, Chansey, Miltank, Mawile, Spinda, Whismur, Spoink, Chingling, Bidoof, Budew, Meditite
Lure Ball: Shellder, Relicanth, Krabby, Bidoof, Buizel
Moon Ball: Ponyta, Houndour, Gulpin, Absol, Numel, Shinx, Meditite, Chatot