Nokia's Lumia 820 is here, after countless leaks, and the budget-friendly handset is exactly what we expected. We'll admit to see the rather singular design of its spiritual forebearer, the Lumia 800, fall by the wayside, but we can't complain about the build quality here. The usual attention to detail and materials we've come to appreciate from the Finnish phone maker is on full display. The flat glass panel on the front may lack the mystique of the curved display