Worry less about what equipment you own, and worry more about how to make better photographs.
Ansel Adams said, "The single most important component of a camera is the twelve inches behind it." He also said, "You don't take a photograph, you make it."
If you don't own Bruce Barnbaum's The Art Of Photography, do yourself a favor and pick it up. Amazon has it for $25 right now--that's almost half off! It's the best money you'll ever spend on photography.