I've yet to find something that photoshop can do that the gimp can't (not that I've been specifically looking)... maybe your experience is different? What other windows/mac apps are (in your opinion) stopping linux from being a "full operating system" by their absence?
They're maemo and MeeGo... "Meamo!" sounds like what Zorro would say to catherine zeta jones... after she slaps him for looking at her dirtily...