NAPP (National Association of Photoshop Users)
Join NAPP if you love photography. The membership cost will come back to you in discounts and the magazine in short order. Hardware, software, lighting gear, classes, workshops and so many other discounts and benefits make this a no-brainer. The website alone is filled with resources. And don't forget to check out Photoshop User TV and other free podcasts from NAPP, for all levels.