For the longest time Google wasn't giving any love to links used within iFrames. Recently, there's been some buzz around the SEO community about iFrames links actually passing anchor text and PageRank. You can find several tests that were performed here and here. Now, that doesn't mean that iFrames are the way to go, but if you can get creative in the way that you utilize them, there's no doubt that the BH in all of us can figure out some ways to utilize iFrames for our benefit. What are your thoughts?