So this link has lots of pictures of spiders. Up close. Like, really up close. You have been warned.
That being said, I wanted you to see this because it's one of those things that's illustrates my point of knowing how to use your gear. This guy is doing some pretty nice macros with a point-and-shoot camera. This camera, specifically. Nothing fancy, and definitely not a dedicated macro setup. Also, read how he writes. He understands what he's doing. It's very refreshing compared to a lot of the "experts" who post articles talking about topics with which they have very little experience.