In a nutshell - the Move brings the motion tracking of the Wii to the awe-inspiring graphics engine of the PS3. It's enough to make one salivate at the possibilities.
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Please note that I'm rating this primarily from a family/kid oriented perspective (given how we use it in our home), and not as a hard core individual gamer. This is just my opinion - for what it's worth - and I don't intend to offend anyone's sensibilities. My intent is not to stoke a PS3 vs. Wii war, and I'm just using the Wii as a comparison point, given my personal experience with both systems.

While I was an early Wii adopter, most of my game investments have been for the PS3 (Bioshock 1 & 2, Infamous, Fallout 3, IL2 Sturmovik, Valkyria Chronicles, ...), primarily for the depth of gameplay and graphics that it makes possible - especially on large screen televisions.