That i really the crux of it. Having the ability to have a similarly usable experience between devices. I personally was really keen on the original Ubuntu concept of a single device that could represent the DEsktop - Phone as the same physical device. especially when i was considering what ASUS had created with the transformer and padfone. Even though it would not replace my main desktop it would have been a very interesting experience. and been very useable.

Unfortunately it never quire came together.