Another OS/2 geek!
Hehe, OS/2 rocked. If they had incorporated a boot mode that supported games better it might have caught on in the general public. Some banks still use it.
Gimp is a good tool, but like most linux tools it's designed by programmers as opposed to interface designers
It's very hard to leave photoshop once you get familiar with the tools and hotkeys. It becomes second nature. Gimp and PSP need to keep working to get to that ease-of-use.