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Okay, I'm GMT +1.
Sunday after the Tour would be the best time for me, as I won't have much time to play before. Or, if you can't, we'll get it done next week.
In HGSS, Kanto lost a Safari Zone, and Johto gained a Battle Frontier. Also, if you go through Victory Road, or take the Magnet Train, you don't need a water type.
But in Johto, we have the Safari Zone, Battle Frontier, Dragon's Den... Even the Kanto Champion decided to train on a Johto Mountain, because the little ones in Kanto aren't cool enough. And you can always take the train to Johto.