No need for guesses, the T&C page has the full details.

Prize Type - Major Prize 1 & 2
Prize:
1 x Transformers Generations Fan Built Combiner valued at $199.99
1 x Transformers Generations G2 Bruticus Collection Pack valued at $199.99
1 x Transformers Power Surge Optimus Prime valued at $99.99
1 x Transformers Generations Series Pack 1 – Speed valued at $199.99
Quantity - 2
Value - $699.96
Does seem a good indication that we'll be getting Chaos on Velocitron and that it will retail for $199.99