Europe is a little different than the US. Prepaid/reloadable SIM cards are the norm. You can pick them up at airports and at tobacconist shops (at least in the Czech republic). I have only used them with my unlocked Motorola phone... I have yet to travel overseas with my iPad.
Orange in the UK announced a number of plans... including a 3 gigabyte monthly plan for £15, or about $22US.
Orange in the UK announced a number of plans... including a 3 gigabyte monthly plan for £15, or about $22US.