ever since Nofollow came out you could squeeze a little Juice out of it, But Yesterday Matt Cutts posted here on David Naylor that, They had fixed The Problem !
DaveN’s Statement :
"Nofollow links can play a little in search ranking, we have all seen test's where Bloggers have signed Blogs, with an obscure anchor texts and these Blogs had nofollow's and the target site ranks for these obscure terms now."
Matt Cutts Statement ( well post ) :
You need to recheck that, because it's not correct …
Don't believe me? Check it by doing a nofollow link with obscure anchortext to an obscure page, and see for yourself.