As the owner of a 2011 17" Dell XPS L702X which still holds its weight as a daily driver in 2015 - and its actual weight (seriously, it's like 10lbs if not more) - I'm spoiled and want to upgrade. I can't even describe to you how much a large monitor has facilitated my productivity over the last 4 years, but I'm tired of the workout of picking up my computer. It's also taken too many falls and its time has come. After a lot of consideration of just getting a solid ultrabook + docking station, I've decided to go with a dedicated desktop + lightweight portable solution.
For the desktop, I'm building my
own. Pretty overkill for anything I'll be doing in school, but should last me at least 5+ years unless Intel decides to up and break Moore's law (which they may have to do if they approach the limitations of silicon, though this almost certainly won't happen during the lifetime of this desktop). As for whomever mentioned the next "tock" to skylake within the year: I figure we'll be well into 2016 before Skylake, Windows 10, mobo manufacturers, and DirectX 12 are all finally on the same page. Plus I'm hoping the overkill system should help with some "future-proofing" like an unlocked skew for OCing. And if skylake follows the trend since 2nd generation we'll only see a marginal increase in processing capabilities with unfathomable reductions in power usage. Honestly, it seems crazy to think how much it's dropped over the years. I imagine I'll upgrade in like 6 years at which point I'll probably just scrap most of the desktop and jump into whatever generation of products we're in at that point. As for my lightweight solution,I'm looking at something like
this acer (though it seems too good to actually sell at that price point, which may explain why the "Buy now" button doesn't exist) or something else that's lightweight with a strong battery life around ~$500. Then I'll either run it strictly as remote desktop, pending wireless connectivity at school, or just set up a LAN at my apartment and have it automatically back-up everything to my desktop nightly so the transition between systems is relatively seamless.
Edit: Didn't realize the acer I linked was 15.6"/5.5 lbs, I'll probably find something lighter. If only the XPS13 wasn't so expensive.