PS is (for good reason) the industry standard in 2D arty-farty, however, PSP is a cheaper alternative for those of us who do not belive in warez-ing. Similar features, etc, but not as well rounded - in my opionion - as Photoshop, which I use.
there is no good or bad program, And one doesn't suck more than the other, its how you feel with it and which you can produce the best results with.
so there