I'll note that unless you plan to take a weekend or week-long course on it at your local college, you'll spend just as much time trying to figure out PS by trial and error, thought there are books about it as well - actually, the two are similar enough that the course or books would probably help just as much with GIMP. If tyou can find an older PS book at a used books store or something, somewhere in the v6-8 area, that's about where they seem to align the best - GIMP's devs haven't been concentrating on sexing up the interface like I seem to recall seeing in a PS demo video, just keeping the functionality up to date.
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"Anko, what you do in your free time is your own choice. Use it wisely. And if you do not use it wisely, make sure you thoroughly enjoy whatever unwise thing you are doing." - HymnOfRagnorok as Orochimaru at SpaceBattles
woot Med. Eng., verb, 1st & 3rd pers. prsnt. sg. know, knows
--
"Anko, what you do in your free time is your own choice. Use it wisely. And if you do not use it wisely, make sure you thoroughly enjoy whatever unwise thing you are doing." - HymnOfRagnorok as Orochimaru at SpaceBattles
woot Med. Eng., verb, 1st & 3rd pers. prsnt. sg. know, knows