Welcome to the club
The US DOT lights can be replaced with 7" H4 conversions such as the Bosch/Hella units sold online, or the cheaper Autopal conversions on eBay to the expensive-but-well-worth-the-look Cibie H4's that Daniel Stern sells.
There's also a trick with the city light bulbs that can get them to illuminate much brighter with the same wattage
