Lenovo's IdeaPad Duet takes the 2-in-1 approach to the Chromebook: the screen section can be used as a standalone tablet, or you can attach the keyboard and kickstand, and type away. Running Chrome OS and with support for Android apps, this diminutive 10-inch multi-modal device, whose starting price is just £279.99 (inc. VAT) in the UK, or $249.99 in the US, looks like excellent value. Let's find out how it shapes up.