The way I see it, since a new Pokemon game comes out every two years (I think), I think we would have to wait for the GS remakes until 2011.
I am however iffy about the timespan between RS, FRLG, and E. If I'm not mistaken, the time between each of those games was one year, so maybe GS remake...
Based on the RSE dex entries, Kyogre and Groudon created the continents and oceans (not respectively). However, I think Dialga and Palkia shaped a particular continent to form the land of Sinnoh. They didn't just create Sinnoh from thin air. They took Groudon and Kyogre's creations to form...
RE: (1) Promo Mewtwo LV.X and Rhyperior LV.X Scans [9/1]
Rhyperior was always a pretty ugly Pokemon. I don't think there can be a good pose for it. Lol