Amazon has a great sale on the Samsung Galaxy S8 and S8+, both unlocked and less than $600 | Mashable
Coolpow 【2-PACK】 Samsung Galaxy S8 Plus Screen Protector Case Friendly, Anti-Bubble, 3D Curved, Samsung
Amazon.com: Supershieldz (2 Pack) Designed for Samsung (Galaxy S8 Active) (Not Fit for Galaxy S8 and S8 Plus Model) Tempered Glass Screen Protector, Anti Scratch, Bubble Free : Cell Phones & Accessories
Amazon.com: BoxWave Stylus Pen Compatible with Samsung Galaxy S8 (Stylus Pen by BoxWave) - EverTouch Capacitive Stylus, Fiber Tip Capacitive Stylus Pen for Samsung Galaxy S8 - Jet Black : Cell Phones