If you have made that massive decision to move abroad and start a new life - it is vitally important that you tackle this project carefully and sensibly. Whatever you do, do not just up sticks and move to the country without having visited a couple of times beforehand. You will also want to learn about any property tips that may be available to help you with the move.
First and foremost, you will need to gage a good idea of what the average property prices are like in the area you have in mind. This will be the case whether you decide to buy or rent.
You should undertake at least one lengthy fact-finding trip to the country you most favour. Whilst there, see how you actually feel about the people and the country generally. Remember that you are trying to imagine how you will feel in five years plus: will you be truly happy to live in this country?
What will your employment situation be like when you get there? It is best if you can take your work with you; if you are relying on finding employment once you get there, do some intensive research into how likely it would be for you to secure a job.
Last, but by no means least, you need to try to learn the local language as well as you can - especially if you are looking to settle in the country in the long-term.