4k for 300 at Costco (monitor that is)
http://www.costco.com/Acer-CB280HK-4K-28%22-Ultra-HD-Monitor.product.100171400.html
Probably not for gaming - but for hi rez porn, you get all the pixels -
I have been using a foam mattress for the last 13 years. I think that it is more the firmness of this bed vs my old one. I will give it a little more time.