Is the cost of living in Poland that much cheaper though? I'm no expert but when I've been there lots of things actually seemed more expensive e.g. clothes, electrical goods, second hand cars. My brother in law has just bought a second hand Skoda Fabia for the equivelant of 8-10 months salary.
Good point. If you buy 'larger things' like cars and TVs then you will pay more or less the same as the UK, sometimes even more because you can get more bargains and promotions in the UK. Otherwise, daily life is certainly cheaper - the wife and I could get by on a little over 1000 zloty a month including house, bills, transport and food. It's only when you factor in petrol for the car and clothes shopping the cost goes up. I reckon 3000 zloty a month is pretty comfortable. How does that compare with the UK?
Remember though, if you get a good position with a foreign firm you could be on well over 10,000 a month...