There's another BM thread, but it's full of spoilers:
http://www.cybertron.ca/boards/showt...beast+machines
For non-spoilers Pascal, I'd say I like BM much better than BW since it wasn't as childish and seemed to take Transformers more seriously.
That said, they took some BOLD directions with their characters and storylines. Some I thought were fantastic, some were annoying.
Also, the writers did their homework. Unlike BW, where they watched the movie for Prime's death scene and
completely missed the point of the scene, the BM writers went back to G1 history and plot devices and used some of them very well in the BM timeline.