2007 was another big year for gadget-heads, with a wealth of new tech to get to grips with, some intriguing industry developments, and the usual fanboy warz between Apple, Sony, Microsoft and Nintendo addicts. We’ve been rounding up the key trends from 2007 over the past week, but if you missed them, here’s a guide to the tech happenings that we thought were important in the last twelve months. Roll on 2008, when we can find out what’s next in line to excite our minds (and drain our wallets).