I'll second the recommendation for WordPress. It's what I use on my personal site. If you want a hosted solution, I *highly* recommend http://www.motime.com (it's where I spent the first year or two, writing ~1000 words a day solid trying to break into the freelance columnist gig).

-- Foz
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Eeyore, Original Owner -- Mk II 80 Gb, Blue S/N #090000803 Tigger, 2nd Owner -- Mk IIa, 80 Gb, Blue S/N #40103789