This guy has put toegther a great list of top quality articles about the recent update with a brief key point from each article
9 Resources for Learning About The Google Penguin Update



Two of the best articles I have been reading about the latest Algo changes that are included in this guys list are

Google Penguin Update: 5 Types of Link Issues Harming Some Affected Websites - Search Engine Watch (#SEW)



Penguin Analysis: SEO Isn't Dead, But You Need to Act Smarter | Microsite Masters

After reading these articles I know my own views have now changed quite a bit...