You can bring back as much as you like 'for personal use', you will be paying tax at source so there will be no problems. I am sure you are aware there will be no duty free at the airports or on the flights as they are now members of our Great European Community. Hope that helps. Later Dude.
Forgot to mention, Be careful as there are conterfeit fags on sale out there and they are said to contain all sorts of nasty chemicals. Ask your rep, they will know the best place to buy fags.
It is 200! pretty definite about that one! I checked on the government website. Even though they have joined the EU they haven't raised the limit. Not sure about booze though