What was your old monitor? A green-on-black Apple IIe type? Oh, and old PB. That's probably faded quite a bit from when it was new just FYI.
The dimmest is hardly viewable. Sunglasses are your best bet
Edit: Tell your roomates to get some shades, lol
Hey now, I even keep the screen on my *PowerBook* turned down a bit
Not all of us like insanely bright screens