Samsung is hosting a new sale for Father's Day, offering savings on monitors and TVs for a limited time. As is typical for these Samsung events, the popular Smart Monitor M8 is being discounted, now available for $449.99, down from $699.99. Note: MacRumors is an affiliate partner with Samsung. When you click a link and make a purchase, we may receive a small payment, which helps us keep the site running. This sale on the Smart Monitor M8 beats last month's deal by $50, and is overall a solid second-best price on the monitor. The M8 houses a 4K UHD flat LCD panel providing 400 nits of brightness, a 60Hz refresh rate, HDR support, and adaptive picture technology that automatically…