I tried the Alfine Di2 here in Japan at the Shimano 'concept' preview. It was really nice - and exactly what should happen with ALL their components! They can share the same system across all lines with minimal changes. Soon as I can get one - the first thing I'd do is send it to our Ti fab in China and then make everything axle-like in Ti, and perhaps the Planetary carrier as well. This alone would drop nearly 300gr from the hub weight. Quite frankly, I think 11speed is plenty for most situations. Road, Trekking, etc. In fact, I actually prefer the 8 speed because it has a true 1:1 ratio (no loss) and generalyl speaking, when you're touring, you find a sweet spot gear anyway. So, why not make it THAT one!