Hm...you're right, the Elite four have a higher position, and no comment about the champion. We can assume they're as popular as pop stars. 0=)
Be prepared for some crazy ideas...0=)
Seeing as Mossdeep is on an island, I wold have to go there by boat or plane. And if the pokemon world really existed, I would live in Saffron City for sure 0=), so I would have to go to Mossdepp by boat...okay, a little bit offtopic. XD
The first thing I would have to do is finding the gym and finding the gym leaders. XD Then I would make sort of an interview with them, write everything into my diary and ask for autographs. 0=) I would watch a few gym battles, cheering for the twins. ^^After lunch, I would go shopping with them 0=)...and after that? I don't know, I would probably just enjoy being with them. ^.^