Article: Shooting RAW vs JPEG is a question that every photographer faces at some point. This article will provide you a practical visual guide as to the exact differences between RAW and JPEG file formats, while leaving out all the technical mumbo-jumbo.
Resolution - Print Size Chart The numbers on the chart stand for dots per inch (dpi) they say the human eye does not see much beyond 96 dpi, that should give you a good example of what will work to make a good quality print.
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.