Monoprice via Rakuten offers the Monoprice 27" IPS ZERO-G Pro LED-Backlit LCD Monitor, model no. 110489, for $339.99 with free shipping. That's $50 under our Black Friday mention and the lowest total price we've seen. (It's a current low by $133.) It features a native resolution of 2560x1440, stereo speakers, an IPS glass panel, one HDMI input, and dual-link DVI, display port, and VGA inputs.
Most taxpayers will see their tax bill go down during 2018. That could impact which type of account -- traditional or Roth -- makes sense for you.