not OP, but I'd recommend Black Diamond or Petzl. I use the Black Diamond Spot 350. Three AAA batteries, 3oz, and it has a button lockout so it doesn't get activated when packed or stored away.
Good to Great: Why Some Companies Make the Leap...And Others Don't - Jim Collins. His concept of "bullets before cannonballs" has stuck with me for every project/job/company.
"It’s a comment piece. It doesn’t contain any new research, nor does it contain statistical analysis of previous research. It’s not a meta-analysis or a systematic review. It is a short essay in the ‘For Debate’ section of the journal in which one woman gives her opinion about whether correlation equals causation when it comes to the epidemiological evidence on alcohol and cancer."
I was looking into the Jarvis legs (similar price point, $490 that has programmable heights) and using a cheap Ikea top. Don't know about sturdiness...but the reviews look good.