The problem with the Wii according to the game dev is that it costs a lot of money to license the games. And if the game doesn't sell well, they won't recoup their investment. In fact EA and Ubisoft have stated that their general revenues make up for the poor sales of their Wii games.

As for the PC side of things, faster and latest gen cards are not a bad thing, but it will take a good year or two before a worthwhile game comes out that can take advantage of the capabilities without it being some variant of a shooter. I love games like Half Life (and a few of the mods) but I would prefer to see more variety now a days and I hope to see novel games that use 3d in a fun way. Something like Trine.

I have an acquaintance who works in the console gaming industry, and based on his look at his market data, he has mentioned these points:
- Microsoft laid off huge swaths of internal game studios/developers, so they're limiting their output to only surefire titles for the Xbox 360
- Many major publishers prefer to sell games on consoles, pirating on the PC and the difficulty and expense of supporting PC users makes it less desirable
- The Wii is not a good console to publish for due to low sales. The only games that sell well are made by Nintendo, and Nintendo offers little help to third parties; and they have unusual rules as well. Most third party games tend to be shovelware.
- Major publishers have announced many exclusive games to come out for console only. PCs are considered too expensive to support.
- Though nvidia and AMD make their video cards faster and better, only a few independent development houses are interested in taking advantage of faster cards, like Crytek. He feels Valve software still uses old technology for a lot of its games, so faster video cards are not worth the money. Developers hate Unreal Engine 3.0 so Epic games won't get too far trying to get new licenses with major publishers.
- There will probably be many exclusive games for the PS3 since there are no pirated games for it (yet) and support from Sony is a little better than Microsoft. Though Microsoft has better development tools.
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I don't agree with this guy on points but when I think about my own habits, I have bought more games for my console than my PC. The games I have bought for my PC have been mostly small games from indie publishers, the only excpetion being Fallout 3.
On the Wii and PS3 I have bought some of the downloadble games.
When I look at potential games for the PC to get, I look for RPGs or something unique that can't be done on console. But I don't see too many compelling games. And those that do look good often come to console first. PC games that are based on console games tend to be poorly programmed so I avoid those.