Flipboard and Zite Alternatives for the Desktop?

I mentioned in an earlier post some of the reasons why I was thinking my next tablet might be an iPad 3 rather than an Android Tablet even though I've done more Android development than iOS. However, as I look at the things I do with a tablet, and consider things I'd like to do, I'm finding myself drifting toward a Windows Slate like the Gigabyte S1080 or even a multimedia laptop with an all day battery such as the Toshiba Satellite L755 (with the 12 cell battery add-on). For many things I do (Word Processing and Photo Editing) this would be an improvement. For some things (viewing 500px or reading Reddit) it will probably be a wash. But two things I REALLY like on my iPad are Flipboard and Zite. I know they are based on RSS readers under the hood, but I can't seem to find anything browser or even program based that does the same sort of presentation. Are there such creatures out there? If not, is anyone working on them? I would presume that when Windows 8 comes out this fall there is going to be a huge demand for such.