Spherical aberration: Correctable in software?

[John Q. Camera]

OK, thanks. I figured PSP and APS would have the tools, but I don't have that software. Oh well, guess I'll just live with it.

EDIT: I did some further digging in Gimp and found it does have some correction filters built in. Probably not as easy to use as PSP/APS - but hey, they work and are free!