I'm hoping it has a 2k display w/Snapdragon 805 or Tegra K1... That would make it a pretty sweet piece of tech. Throw in 3-4 GB Ram and at least 32 GB of storage and you've got a monster on your hands!
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Sent from my Nexus 7 using Tapatalk
At this point in time I believe that any major improvements Google can make the Nexus would be in software not hardware, we'll not exactly.
Google has never been able to nail the battery or camera of Nexus devices, while their updates have improved the experience quite a bit it can be made better on existing devices, such as the Nexus 5.
If they end up making a Snapdragon 805 2K phone with 3 GB of RAM, they'll need to add a much bigger battery, thus the cost will rise.
Tegra K1 is completely out of the question because it's made for tablets only at this point.
Since last year's Snapdragon 800 massive improvements haven't been made in the SOC industry, apart from higher resolution, they should work on improving the existing Nexus 5.
However in the tablet department they do need a new tablet and early rumors are luckily pointed towards the Tegra K1 on the Nexus 9.
But that's just what I think.