I am with you on the brighter light. My Bobcat 335 has lights that are all but worthless. I know it's unconventional but why not mount lights on the cab? I believe there are magnetic "kc" style light kits. I've been thinking about that myself.
Was watching "Jungle Gold" last week and saw that CAT excavator running at night with very little light output. I think the OEM lights are a decoration.. You need some serious lights to work efficiently.
"You Can All Go to Hell, I'm Going to Texas." --Davy Crockett