I know the shortcuts I need but I would still like to see some additional icons on the toolbar. I'd vote for a customizable toolbar but from past posts it looks like there is some resistance to that. (Not complaining, just observing.)
The additional icons I'd like to see in the toolbar are Copy Merged, Paste to New Layer, and Paste to New Image. You'll note that the functions I'm asking for are all mechanical operations, not drawing functions, and thus fit with the theme of the other icons in the toolbar.
I believe this small set of icons will improve productivity, in the same manner as the incredibly valuable Crop to Selection icon.
Another post talks about a Save as JPG icon on the toolbar. I support that idea but I'd rather see Save for Web, ala Photoshop and Photoshop Elements. Let Save/SaveAs be for the native PDN format and Save for Web be for flat files. Then have a setting that lets the user choose which raster format (PNG, JPG, GIF, TIFF, etc.) is the default. If this separation were present, it would probably be easier to build automatic flattening, restoring the layers after the save without having to ask the user if it is okay to flatten.