The president of The Pokémon Company admited that the original Gold and Silver were intended to be the last in the series. However the success of Pokémon Gold and Silver forced him to change his mind since it was selling faster than Red and Green.

Fluroclad via www.officialnintendomagazine.co.uk »

"We learned on the 7th that "Pocket Monsters Gold and Silver," the second entry in the popular RPG series, originally released on the Gameboy system in November of 1999, will be remade for the Nintendo DS this autumn under the titles "HeartGold" and "SoulSilver." New elements will be added in this tenth anniversary return to the Johto Region.

A continuation of the original series (Pocket Monsters Red, Green, Blue, and Pikachu), Gold and Silver recorded remarkable sales of 23,000,000 copies ..."

Reenee via www.pokemon.co.jp »

Pokemon fansites all over the web are going absolutely nuts over a recent imminent announcement of a major Pokemon game. Next Sunday on Pokemon Sunday (Japan's anime plus anything Pokemon show) is what many are expecting to be the official unveiling of Pokemon Gold and Pokemon Silver remakes. Aside from Japanese magazines having a hand in this, possibly the biggest giveaway of it all was a display of gold and silver party balls displayed during the show.

Reenee via bulbanews.bulbagarden.net »