It's a waste of time worrying about your page-rank -- it's far more important to focus on getting onto the top page of results for your niche. The connection between high results in SERP and high-PR is tenuous at best.
PR is a Google thing, and since Google is the number 1 search engine bar none, PR is still rated very highly by industry experts, let's face it, there are other search engines but if you want to be doing well getting your site ranked in the search engines, you only have to do it with the big G, having a good PR counts
There is no doubt in that. Still PR is important for the website. The users also know the important of PR nowadays.