Gimphoto is a GIMP modification with a new menu, additional plugins and resources to bring the best GIMP experience to Photoshop users. Save for Web
Photoshop plugin support (8bf)
Modified Default Brush Set
Modified Default Gradients
Additional Web 2.0 Gradients
New and better selection tool functions
Plugin and filter live preview
Desktop color picker
Enhanced text tool
New better menu naming convention
100+ brush set (beautiful brush set for artist)
additional plugin for texturing (normal map, kaleidoscope, etc)
so many plugins for photography (high pass, photofx, refocus, exposure, ir, etc)
additional utilities Power Menu for Always on Top window
Gimphoto new menu is changed menu structure to more closely resembled of Photoshop menu, but still maintain GIMP menu naming convention. Gimphoto comes with many useful plugins such as: CMYK Separation, Save for Web, Batch Process and Layer Style.
Give it a try and see what it is capable of!