I just tried the search function. It works for searching FAQ. Searching this Forum however is down...not sure why...
I also corrected some broken links in FAQ for the items u looked for.
1. Yes that will give acceptable quality light if you are willing to spend some time getting a underbelly shield like Casper to work.
2. McCulloch is just a kit producer. They may claim that they use genuine Philips (or similar) bulb and that the black base will last a few thousand hours, but chances that they use $5 HID bulb made in Taiwan, plastic will soften after 6 months, and/or bulb not in focal point is there.
All in all, I'd say find some clear glass 4x6 units and retrofit with a small projector ie:
It looks big, but it fits inside the palm of an adult hand.