Arceus Distribution at Toys R Us
According to Nintendo Power, Arceus will be downloadable at Toys R Us stores from November 7th until November 15th. Only Diamond, Pearl, and Platinum players can download it. The special Arceus will eventually allow you to unlock the Shinto Ruins in HeartGold and SoulSilver, where your Arceus will make you either a level 1 Dialga, Palkia, or Giratina. Additionally, if you have Arceus in your party and go to the Oreburgh Mine in Pokemon Platinum, a hiker will tell you the legend of the Alpha Pokemon and Sinnoh.