1.6Gbps broadband reviewed: is multi-gig internet worth upgrading for?

Early last year, the first widely available multi-gig broadband was announced for the UK market, offering download speeds up to 1.6Gbps over the Openreach FTTP network. As an irredeemable nerd who gets overexcited at the prospect of a download progress bar reaching heretofore unseen speeds, I knew that I had to try it out to see if it actually offered a noticeable improvement over the more readily available 900Mbps BT service I had before. Would there be a tangible benefit for gaming, content cr...