Interesting concept. I'm not sure it will totally catch on though, I use my smartphone when on the go. I have a PC at home that vastly outperforms any smartphone.
PC manufacturers other than Apple despair because people overwhelmingly opt for the low end, low margin devices, since most laptops are now "fast enough" for people to use them as their primary computers. It's not that long ago that using a laptop as your primary computer was inconceivable. And even shorter ago since the thought of using a phone as replacement for a laptop would've been considered science fiction.
In other words: Your phone will catch up to where it is fast enough for enough uses for enough people that there will be a substantial market for taking advantage of the enhanced mobility and flexibility.
Power users will still want more, but power users are a small niche.
