If you are european and you want to know why Brawl has been delayed so much in Europe, here is the reason why, this is being said by Kai/Nintendo from the Swedish Nintendo Website:

I have nothing new to say about the releasedate: However, I have some information about the reasons why it will come so late to Europe.

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 On March 3, Some guys from Mexico City decided to record a WiFi battle, it looks a clean WiFi interface, but the problem is during the gameplay, note how Pikachu lags while falling down, is this because of a bad internet connecting between this 2 persons, or because of the servers not ready yet?

[eminimalls]

This is a video showing how the american character voices are different than the japanese ones. Enjoy.

[eminimalls]