Just bought an Acer H257HU for my late-2013 15" rmbp (GT 750m) from my local computer shop. It's a 25" IPS WQHD monitor with 2560x1440 resolution. The surface is matte and the edges are super-thin. The aluminum look matches the the rmbp. Worked perfectly out-of-the-box via the included HDMI-2.0 cable. It also includes a mini-display port cable, but I haven't tried it out yet. The in-monitor speakers are good enough that I don't bother wasting real-life desktop space with externals. I primarily use the external Acer for coding and for watching movies. If you don't want the cost or the size of a 4K monitor, but want higher resolution, I highly recommend this monitor - actually, I'm seriously considering buy a second one so I can have a matching pair driven off the rmbp. Though I shouldn't be, I'm certainly surprised at how much panel technology has advanced in the past 2 years. If I rate my rmbp screen as a 6/10, I would rate this Acer as an 8.5/10 (of course, the rmbp screen isn't bad at all, but I lowered the score a bit for its shiny surface. The Acer doesn't get higher than 8.5 due to its shiny black back surface which I find a bit tacky - but since the back-side is facing the wall for me, I don't have to look at it and deduct more). But overall, just looking at the screen itself, I certainly prefer the Acer's contrast/saturation/matte surface. Another point of reference: I have an older 27" iMac (non-4K) and although I loved that screen at first, later, I found it to take up too much space. YMMV, but I actually found out that I would prefer 2x25" WQHD monitors rather than one 4K 27". Anyhow, you will have to decide for yourself what parameters are important to you, but if they are anything like mine, I would recommend that you take a look at this monitor - you can find some detailed video reviews and get a sense of how the monitor looks on youtube.