there both laid out the same so its just a matter of which one you like to say and depending on which one you get determines what legendary Pokemon you can get or how soon or late into the game you get them.
Pokemon SoulSilver is by far better. The action replay only works with games. If you do not have a game (i.e. SoulSilver), then it cannot work.
POKEMON SOULSILVER come with a poke walker and the Soulsilver game
You cannot battle between a Pokemon Black game and a Pokemon Soulsilver game.
there is a game corner on Pokemon soulsilver in goldenrod city right above the Pokemon centre
soul silver isn't out yet but soon it will b and it WILL b better
Pokemon soulsilver and Pokemon heartgold are basically the same game just different versions but i do recommend buying Pokemon soulsilver
A hack of Pokemon SoulSilver that makes the game harder and adds new Pokemon not in SoulSilver, along with new game events.
You cannot get Mew through normal game play on Pokemon SoulSilver.
there is no new Pokemon
probably Pokemon heatgold and soulsilver
Starter Pokemon at beginning of game
no, its a ds game