Um, so what? Why'd you choose to share this particular dilemma with us all, anyway? Either download the client or get off the pot, who the f**k cares?!
Oh, I see now that you're wondering if you'll be wasting time, if the trial version is too restricted for your taste? Well, in addition to heartily not caring one bit, I can only tell you that the trial version is missing only the high res textures, so you might as well go for it.