Upgrading your headlights is one of the easiest, cheapest, and simplest mods. It’s often the first mod of any prospective car modder, or it could be just time to swap out some old bulbs. Either way, ...
I have one of those halogen floor torch lamps, the kind that points directly to the ceiling. It's amazingly bright, at 300W, and pretty much illuminates the entire living and dining area of my condo.
There are several reasons why you're better off sticking with the stock halogen or high-intensity discharge (HID) bulbs in your car, rather than replacing them with cheap aftermarket LED headlights.