MrSeb writes "Late yesterday, Apple released a next-generation 15-inch MacBook Pro with Retina display. It has a 2880×1800 220 PPI display. The normal 13- and 15-inch MacBook Pros and MacBook Airs have also been updated, but the 17-inch MBP has been retired, in effect replaced by the new Retina display MBP. Without a doubt, this new laptop is an engineering marvel in the same league as the original iPhone or MacBook Air. ... The Retina display MBP really looks nothing we've ever seen before. Here, ExtremeTech dives into the engineering behind the laptop, paying close attention to that new and rather shiny display — and the fact that this thing has no user-replaceable parts at all." Fleshing things out a bit more, iFixit has a teardown of the internals. Their verdict: effectively unrepairable by the user.