Take a look at Samsung NX2000 vs Samsung NX1100 vs Samsung NX1000 quick specification comparison, the new NX200 features extended ISO range, better AF system and BIG display unit with NFC technology.
The NX2000 vs others price
Samsung NX2000 Mirrorless Digital Camera with 20-50mm f/3.5-5.6 – Price $649 B&H
Samsung NX1100 Mirrorless Digital Camera with 20-50mm f/3.5-5.6 – Price $599 B&H
Samsung NX1000 Mirrorless Wi-Fi Digital Camera with 20-50mm Lens – Price $499 B&H