Down With Toolbar PageRank And Up With… What?

We've been hearing in the news (well, the SEO news) that Google's Toolbar PageRank (TBPR) hasn't been working up to snuff like it should be.  Basically, the TBPR metric isn't updated as often as we'd all like it to be.  The other problem is that because the TBPR has been shown to be a "metric [...]