There are a lot of interesting nuggets in the Apple-focused blogosphere this week, but a few in particular rise to the top. First, there’s the rumor that Apple might make its MacBook Air even lighter with carbon fiber. Then you have the ongoing tug-o-war between Apple and IBM over chip genius Mark Papermaster. Apple CEO Steve Jobs says the iPhone and iPod touch are “viable” games devices. Meanwhile, is Apple looking to shake Google’s boat with a new search engine of its very own?