Navigational elements on a blog or any website are an important feature, but you should be careful not to take things to extremes which can hurt the progress of your site, both from a SEO perspective and for website conversion.
I was just browsing Technorati.
It would only take 67 favorites to get in their top 100 favorites
Top 50 – currently only 115 favorites
327 Favorites to get in their Top 10 !