An official Aceshigh AC, vehicles, boats guide-book.
Collection of normal AH pics, Photoshopped pics, and real-life pics in color, specs and datacharts, (some) real-life data charts, history, "evaluations" of how the community feels about the plane, quick guide/manual/instructions on how to use the plane from the people who are considered the best pilots of that plane.. a step-by-step "walk-around" the plane... yummies galore!
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This is probably gonna cost HTC really much to mass produce.. but limited editions should be extremely cool to have.