Link parkin': Yet Another Blog Index. Philippe (one ell, two ps, no Robert) Lourier's Blogrunner. Blogrunner claims to have a PageRank equivalent inside.
Blogdex, Popdex, Technorati, Blogpulse, Blogosphere.us, Blogrunner, Waypath, Blogstreet Top 100. Yeesh, someone needs to do a bakeoff.