SE doubles server capacity, basically they are adding 20 more servers to meet the current demand.
But Wii and subscription based MMO can be a success? Too early to tell, but it looks far more popular to MHG and MHTri, which was also subscription based in japan.
BTW SE has indeed blocked foreign IPs, so you will need a (paid) vpn to be able to play the online part of the game.
More on the story over on
andriasang.com