Earlier quoted context omitted.
I'm not sure about photoshop killer ... although I do suspect that outside of the professional class of photoshop user (webdevs, print designers etc), a great many people who have a less-than-legitimate copy of photoshop and dramatically under-utilize its features could do worse than try out Gimp. These are the users for whom an entire copy of photoshop is massive overkill and a terrible waste - the absence of some p…
The real missing piece is 8BF (Photoshop plugin) compatibility. There is an entire ecosystem of productivity enhancement out there that's missing from the GIMP, at least from the professional photographer's point of view, that, absent a coding pro photographer scratching his own itch, probably isn't going to be filled. Selling a $200 plugin for a $600 program to reduce image turn-around times by an hour apiece works…
I have tried to convince myself to put out some photoshop plugins, but I just don't see many people buying the plugins already out there.
Also the photoshop plugin API is crufty as hell.
What percentage of plugins out there are being rewarded well by the marketplace? I would bet that there are only a few plugins on the market right now that make a noticeable amount of profit.