If you can't see with your GL1800 high beam, you need better glasses.
It's your money...spend it on what you want.
I would NEVER spend $329 on a pair of lights. As for riding at night with deer populations like you guys have in the northern states, I would only ride motorcycles during the day light hours. A lot safer that way. I have seen too many deer dead along your highways to ever make me think I needed to ride at night. That is just asking for trouble.
I have used 55 watt driving lights on my GL1500, when I had it and I sure didn't spend what the PIAA's cost and I could make night into day time, with the switch of the brights.