Sort of forgot about this.
For any interested, I went with two NightRider Lumina 750s. No complaints. First time out had the helmet on full blast and the bars on like 350. Second time out with a guy who is way faster than me and pushed a bit harder had me using both at full power.
I don't think I need more light, but I definitely wouldn't go less. Just personal preference.
Riding at night is quite a trip. Creatures making noises all around and the odd shadow games kind of adds another mental aspect to it. Lots of fun.
Thanks for the input, all.