It's not the first time Engadget editors have stepped foot at Nokia House -- the company's HQ in Espoo, Finland -- but it's always a treat, and our visit this week is no exception. Today we took a walk down memory lane, and spent some time with several Nokia handsets -- from one of the very first mobile phones to the Lumia 920. We played with some of the more iconic models and designs, such as the 1011 (first GSM handset), 7700 / 7710 (
