13 THINGS YOUR CAMERA WISHES YOU KNEW (Intermediate to Advanced). By Jim Harmer, Landscape photographer, author of six photography instructional books, writer of daily photography tips at Improve Photography, and all around geek.
20 Things I Wish I Knew About Camera Lenses. Great list- I think I'm definitely going to try renting a few lenses before I decide which ones I need to buy and which ones aren't for my photography style.
Skip the article there is one good tip: When shooting into the sun, meter skin tones up close first so when you pull back you have proper exposure. Your camera will NOT read the light right if you to meter from 50 yards away!