i give up on PCs...this is my next purchase...if everyone uses this instead of PCs, there will be less hatred, anger and frustrations...i.e. the world is much a peaceful place...
How is this a problem? I used to carry fully-laden full-pack for forced march of 5-8 kms during NS. Unless you are like a feeble old man close to dying, I don't see a problem with heaving a few kgs on your shoulders, not asking you to run a marathon with the backpack.
Just buy a Dell with Windows. Don't buy Apple. If it can't crash, it's not a real computer in the sense of computing, it's just an appliance. If you don't experience crash and learn recovery, you're a computer dummy.