> I won't do the API changes for gtk2.0 and gimp1.3 so if nobody else > does it, it won't run on these systems.
That's fine. Those are exactly things that won't run on my machine. GIMP is just way too slow for larger images (say, 1600 x 2500), try adjusting gamma interactively (plain old XV does it faster, although it has it's own quirks). Yes, someday I will get faster machine and more memory...
