Re: sim locking
No this is a different thing. Even if you buy an unlocked Note, it will only accept a European SIM, so you can put a local French SIM in it, but not for example a local Japanese or American SIM. In a couple of years time, there won't be any reason to put a local SIM in when travelling around Europe. You will need an unlocked phone if you want to switch UK providers, but region locking will prevent you from putting in a local SIM outside of Europe.