Opera have announced the general availability of Opera 10 beta. Opera 10 includes an improved rendering engine Presto v2.2. The beta adds a new default skin and a couple of new features, notably "Turbo", a proxy compressor for dial-up users, and tab previews. The result? Complete fail. Read More for why and a quick screenshot tour. addendum: As an apology to the community for the reckless and inadequate review I will be doing it again, properly, taking into consideration your fine comments.