Select as many as you want. Especially for battery, reliability and build quality. Who builds them to fail? If you've had a bad experience, share it here and vote. Had a good experience? I've asked the opposite question here:
http://www.tomshardware.co.uk/forum/id-1789196/laptop-brands.html
http://www.tomshardware.co.uk/forum/id-1789196/laptop-brands.html