I think this concept is a lot better than the skyscraper ad. I think it works as is, but if I had to change something, I'd maybe try experimenting with different rotation speeds with some motion blur. Perhaps add some easing into the tween. It also seems to be only 11 seconds from start to finish. No harm in stretching it out 4 more seconds to take up all 15. Other than that, I like it, Good job.
Not bad! I know you are limited on these ads, so I won't be so harsh on you. :)
It's not WOW but not bad either. I honestly don't know what else to say.
Yeah, I agree about the 15 sec. thing. Honestly, I don't even think this is the final design I gave. I wanted it to be slow, so as to be able to see the design. And, I had a "click here" or some other indicator above the logo, which is what the user clicks to visit the site. Thanks for the feedback - much appreciated.