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I really like the colors and the straight to the point layout . It feels a little retro without being cliche and I think it has a nice "up" feel that compliments the product.
I like your navigation and although a tad wordy at first glance I think your audience may appreciate it .
I don't belief there is any such thing as to simple unless we are talking plain and your site is certainly not plain.

Thanks so much! That really helps. I will work on balancing out the pages better.