I've used both Adobe and PSP. I prefer Adobe. It's been a long time since I've used PSP, but I believe I found Adobe easier, and did more of the things I wanted it to

1. Why did you pick this paint program? What made you pick it? I'm not sure...I've heard good things about it.
2. What do you use it for? Drawing and photo editing
3. What do you like best about it, what do you at least like about it? What do you WISH it had? It's a great program. It has everything I need it for and more. I still don't know how to use everything on it, so I'm sure if there are things I wish it could do it's probably because I haven't figured it out yet. It can be complicated, but it works great for what I use it for