From what I have found in the past, there aren't going to be many options on getting brighter bulbs without converting to HID or something.
For the most part there are bulbs out there that will produce a whiter light than stock, something like SilverStars. These will not have as much of a yellowish tint to them and are said to improve visibility. I personally have not tried them so I can not testify to the validity of that statement.
Chosing a bulb with a higher wattage will put you headlight wiring at risk. Higher wattage may cause melting of the wires from over heating. Some bulbs claim to have "80 watt output" from a 55 watt bulb, but that just seems like a marketing ploy if you ask me.
As for aligning the bulbs, I have never heard of this being a problem unless your in an accident or something. I have had to align my headlights after an accident but did it myself. I knew which one was off and which hadn't been affected. I then pulled close to a wall and adjusted until the one that was "off" shined at the same height as the "normal" one.
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