I haven't used ArticleBase, but don't always try to linkbuild just to achieve linkjuice. I mean, what happened to good old-fashioned referred traffic? Why do so many people assume it's a non-existent component of marketing? Wikipedia is NoFollow, does that mean that it's not worth the time of day trying to get your links on there? Of course not, it's great for targeted traffic.
You're right but it's still nice if we can get SERP boost as well. That's why some of us will complain
Oh well, just because they nofollow their links doesn't mean they have no value. You can still squat for certain keywords using the site. If you're clever.
if its a high traffic site, no follow doesn't matter since it can give you traffic. Its a plus but you will still benefit from no follow
If it is nofollow, I believe it will just not help increase your site's PRs. I believe nofollow links must have to do something wtih SERPs, but it still stands unclear as one topic is debating about it.