Paramount offers preorders of Transformers: Dark of the Moon on Blu-ray 3D / DVD for $20 with free shipping when you install the Paramount digital Store facebook app. That's $10 under our mention from two weeks ago and the lowest total price we could find by $10. This 3-disc set comes with a 3D Blu-ray disc, DVD, two Blu-ray discs, and digital copy. This title is scheduled for release on January 31.