ken rockwell
from ken rockwell's photoshop tricks:
Heaven help you if you're on windows, since it's a royal pain to get the © symbol on a windows computer, another reason professionals use Apple
these professionals must be really professional.
actually, ken rockwell seems to be a real professional when it comes to digital photography (and especially gear reviews) and his site is always my #1 source of information. btw: i got a new lens for my birthday (50mm, f/1.8)
