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Blog typeCategories / HierarchyTagsCustomized CSSBuilt in WidgetsStatsAdd in scripts like flickr, del.icio.us stuffCreate non blog post pages, e.g., AboutPrepost Import / Export postsSPAM controlPromotional opportunityCost

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Blogger.comNOYES, called labels, kind of like categories in that they can be linked to but not a true categoryYESYESNO, but can be included using statcountersYES
Kind of. Ability to make a post sticky, but that's itNO, You can not load articles for publication; blogger just publishes them, but uses the datecaptcha (word verification)YESFree

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Wordpress.comYESYESNO*YESYES, and very niceYES, but only using the text widgetYESYES, by changing the date, the post will post on the dateYESaskimetYESFree, but addons like additional contributors or customized CSS cost extra

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Wordpress.org (hosted at site)YESYESYESYESNO, but statistical packages are available and statcounter an optionYESYESYESYESaskimet? less so, dependent upon your effortsHosting costs