I've always been an advocate of redundancy, with essential components and features. One essential feature of a website is the ability to remain aware of where your readers come from, and what they are reading , on your blog. Besides Blogger Stats, I've advocated both SiteMeter and StatCounter, in a complementary role to each other. A while ago, SiteMeter decided to add video advertisements to their blog / website agent, that tracks the clicks.
What Blogger won't tell you