I paid for my white Lumia 920: 1.00 PLN = 0.32 USD = 0.24 EUR - including VAT ;)
contract for 24 months, first 3 months free of charge, after that 159.90 PLN = 51.25 USD = 39.09 EUR monthly
Unlimited landlines calls, unlimited cell phones calls, unlimited sms - inside Poland, 2.5 GB data...