The Wii - gaming's biggest seller, or biggest sell-out?

Everyone knows about the Nintendo Wii. It's the best selling console on the market, and is in more homes than any other new generation console. But, many hardcore gamers are against it, saying that it's only for families and little kids. So - today's blog question: Is the Wii a "real" system, good for gaming? Or is it leading to the downfall of hardcore gaming as we know it?