Yoast author of many (more than 20) WordPress Plugin released another useful plugin, this plugin called WordPress SEO. WordPress SEO us a plugin to optimize your WordPress blogs easier than ever. WordPress SEO built in support with breadcrumb, sitemap xml and many more.

This is more details feature on WordPress SEO

• Post title and meta description meta box to change these on a per post basis.
• Taxonomy (tag, category & custom taxonomy) title and meta description support.
• Google search result snippet previews.
• RSS footer / header configuration.
• Permalink clean ups, while still allowing for, for instance, Google Custom Search.
• Breadcrumbs support, with configurable breadcrumbs titles.
• Focus keyword testing.
• Meta Robots configuration:
  • Easily add noodp, noydir meta tags.
  • Easily noindex, or nofollow pages, taxonomies or entire archives.
• Improved canonical support, adding canonical to taxonomy archives, single posts and pages and the front page.
• XML Sitemaps with:
  • Images
  • Configurable removal of post types and taxonomies
  • Pages or posts that have been noindexed will not show in XML sitemap (but can if you want them too).
• XML News Sitemaps.
• .htaccess and robots.txt editor.
• Basic import functionality for HeadSpace2 and All in One SEO.

So, which one better? Platinum SEO Pack? All In One SEO Pack or WordPress SEO, you decide and use it. Download WordPress SEO by Yoast here