Really nice
The interface was very nice and pleasant to see, very smooth overall. You guys did a good job with buttons, I liked the "NG style of them". The fonts were well chosen too. I love the the font that is used it the titles like "What should a review contain?" or "What makes this helpful?". Also the colors were very NG-ish so I like it :P.
The only problem was the audio. The audio problem appears quite often in your flash : we can't chose the audio that we prefer. What I do when I don't like Dance ? You should add a menu with songs from different styles of music. Lol you said it in the flash but you didn't do it :P.
Overall all, perfect guys. I love the flash of the Newgrounds collection, they are always helpful. The only problem was the audio but won't affect the score I'm giving you : 5'd and 10'd. Keep it up.