I disagree, I know they can meet emission and get greater performance out of the bike. When we did my custom tune my CO and other emissions are even lower now than stock and I saw a very nice performance bump, about 7 to 8 hp on the top and much more mid-range. Now the tricky part is building a \"genaric\" motor for a given market: US, Euro, AUS, etc. to accomidate various fuels, etc. However Yamaha is currently doing that so I don't see it being a big problem.
Also someone mentioned R6 brakes, for the '07 and up we do have R6 brakes. All we need is an adjustable suspension and a bit more performance, and I would like to see ABS and a full fairing option. I agree, better lights from the factory would great. Oh and a real HORN too.