Two-minute reviewThe Kobo Sage is ostensibly a more refined version of the now three-year-old Forma, one-upping Amazon’s Kindle Oasis by offering an 8-inch display that also boasts stylus support. It’s the first ‘mainstream’ Kobo ereader to come with the latter but, unlike the Elipsa (a bigger and more niche device), you’ll need to buy the Kobo Stylus separately. To further justify its premium price, the Sage has a noticeably improved chassis. Although it’s still plastic (unlike the metal body
