what's your ideal 5k studio?

[meat]

Man, unless you're a teenager or are physically active somewhat, laptop weight matters. I had a Dell Inspiron, then an ASUS G-series, because I moved regularly those years so needed desktop replacement laptops. But every time I move around with them in my backpack (not checked in behind a museum counter, hotel room, friend's sofa, on bus/train seat), I get lower back pains as well as, in one case where the backpack's shoulder strap was screwed up, shoulder pain (and I was YOUNG at that time). Especially because you won't have ONLY that laptop in that backpack. The charger is usually the second heaviest thing that is also kind of necessary you'll have to haul around. Third being a water bottle, which might become necessary if you plein air far from commercial areas.

Backpacks with waist or chest straps will take the weight (and pain) significantly off your lower back. But they're also more expensive than the free one that usually comes with a high-end laptop purchase. Dell used to give a free backpack with Inspiron purchase - and they're good stuff, durable to even now, surprisingly. Not sure now.

The Inspiron (and other misc, like charger, mouse, water bottle, etc.) in my backpack clocked around 10 LB, and the ASUS G-series once made it over 18 LB with a water bottle, and gave me so much pain I couldn't enjoy the trip.
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If you use SSD you might not need a lot RAM. I just opened 8 illustration projects in PShop, 1 project in 3ds, several Chrome tabs, and RAM usage is just under 10GB with no lag at all.