Today’s featured promo on MacUpdate offers MiniMail for US$5.99 (33% off, retail $9). “MiniMail is a plugin for Apple’s Mail application. Just as the mini-player in iTunes does for music; MiniMail puts information about your inbox at your fingertips. You can easily see messages as they arrive, and quickly action them. You can resize the window any way you like to conserve as much screen real-estate as possible.” MiniMail requires Mac OS X 10.4.1 or later.