I've used Photoshop since version 2.5. Tried PSP a couple of times along the way, but it always seemed to be behind the current version of PS. I haven't tried a recent version. I get the feeling that PSP basically adds whatever features it can that the current PS version has, so PS is the innovator and PSP is playing catch-up. On the other hand PS is expensive, so PSP is perhaps a better value for the money. And I might be a bit biased since I'm the forum host for Adobe's GoLive Windows forum at adobeforums.com (g)