The 7577 is pretty great, I have the 4K version, with an I7, 16Gb RAM, 512GB nVME SSD + 1TB HDD, and Dell's service is the best I've seen. Infact I bought a $700 refurb 7567 (1080P, I7, 8GB RAM, with 1TB HDD) that had uneven core temps and after complaining twice they gave me this fully maxed...