I have no idea where Yoshi is getting his information, but nothing I have seen has said these are remakes a la Yellow/Crystal/Emerald, etc. If you'll notice there's a goddamn 2 next to the names, so why would these be remakes? There is zero information released on the actual games yet, but as far as I can tell these are true sequels, and that's what's being reported in the various news sites as well.
It's not Pokemon Grey 1 and 2. These are two new games. If they somehow do turn out to be remakes, I will eat a pokewalker.
I'd like to see who's saying that.
I think it's pretty clear that these WILL be remakes. The Pokémon on the cover, Kyurem, is an existing Pokémon. No new Pokémon have been announced. Combine these facts with the fact that it hasn't even been a year since Black and White were released outside of Japan (early March), and it seems INCREDIBLY unlikely that this is a completely new game.1UP
is also reporting that it's unlikely that they're sequels.