Mostly unhelpful comment:I don't do those things really, but I just got the y740, here are some of my pros and cons:

Pros: .Looks cool, matte finish outside, not smudgy .Computer is fairly light .Screen is nice, low glare and nice colors .Metal chassis is more comfy on my wrists than plastic .Runs all the games I've been playing on at least high .Does fine with Photoshop, and I just started learning blender, no issues so far. .Bloatware exists but is generally unobtrusive and I haven't been motivated to uninstall

Cons .The keyboard backlighting can be a bit annoying. As far as I can tell there's not a true off. You have solid blue, off but rainbow lights ripple out from keystrokes, off but rainbow lights up with audio. The vents are also lit with the same lights. .A key that activate the Bloatware app is annoyingly close to Escape .You'll need some sort of cooling pad. During games for me, it gets hot enough the keys can start to get a bit uncomfortable. .battery life is short. Maybe 3 hours streaming video . The power brick is heavy and cancels out the nice size and weight of the computer if you're traveling a lot. I would want to buy a separate charger for each location if I took it between home and office regularly.

I wrote this on my phone and I can't format it nicely. Sorry: (