Pine64 has introduced the PineNote, a high-end e-ink device based on the Quartz64 single board computer, featuring a 10.3 inch e-ink panel, 4GB of RAM, and 128GB of storage. The device is expected to be available later this year for $399, with early adopters receiving a magnetic cover and EMR pen. The PineNote is designed to be a powerful and open e-ink device, with a focus on reading, writing, and productivity. The company is also working on software development, including a user interface and support for various applications.