The Nokia Lumia 630 has been on sale a while now and the first WP8 handset from Nokia to hit the market and its been selling quite well,getting it sim free was an issue for some also due to the price you would pay for it elsewhere either via online or importing.
Argos have been selling the 630 some time now and have discounted the 630 to an attractive price,the 630 can be bought on O2 for €99 and other networks sell for €129.99
Check out the deals at ARGOS