I don't own a Wii yet but I say no they don't need to invest more in the west. If they decided to invest more in the west then their system would start to look similar to the ps3 and 360. With a few exceptions most western developers like making shooters or games that take place in a first person perspective.
I would rather have Nintendo continue to make games and get games that are clearly japanese and have its own unique artstyle with colorful vibrant graphics like mario, zelda, metroid, xenoblade, the last story, fire emblem, muramasa demon blade etc. It helps differentiate its system from the others and gives me a reason to consider buying it.







