Where does he go from there? That would be 5 grand tours in 4 years and he would have won every grand tour he attempted during that time period. He would obviously be the best GT rider in the sport, so what's left to prove?
Does he try to match or beat 7 TDFs in a row? If not for 2008, I think he'd have a shot. As it stands, he's 27 right now and he'd be 32 for #7. Lance was 33 for #7.
I hear Alberto's riding the Giro next year. Does he just try to pile up as many GT wins as possible? He could make the argument that he was a great winner and he didn't just focus on one race. He also looked pretty good in Fleche Wallonne this year and maybe he could add a couple Ardennes classics to his palmares. He also has a shot at a couple Olympic gold medals, though I'm not sure anyone cares about that.
Personally, I hope he would try to win all 3 grand tours in one year. It seems like the one unique thing he could do and I think it would generate tons of excitement. This could be the one time everybody would care about the Vuelta. Do you think it's even possible? Is 3 in one year simply too much? I'd love to see him try.