Upscaled BD to 4K doesn't look any better. Only true 4k content looks phenomenal, so don't worry about the up scaling. Netflix only has House of cards , Breaking bad and smurfs 2 that I know of and you need a descent internet speed connection.
Media room- LG 4K OLED EG9600, Pioneer Elite VSX-90, Samsung 4K K8500, Klipsch Gallery G28's, Klipsch Sub 12, Klipsch RS-52 II, Optik HD cable
Living room- Sony 4K 79XBRX900B, Onkyo RC-360,HTPC, Klipsch Reference R-62II, Rc52II,PS4
Gaming room -Panasonic ST60, PS3, Wii