I can't say I'm an expert on blogs, but the ones I return to again and again have themes. My favorites are politics, current events, and philosophy/ religion. It just always seemed to me that it would be easier to maintain one if it had a theme...

It's not a blog, but at work now we are have a huge, spread out project that is very fluid/dynamic right now. I'm trying to keep all our field people current with what 'the word' is today by doing a daily email update and frankly it's exhausting me. Good luck to you to keep a blog up. (When I first created my webpage in '94* I was doing a mini-blog (before they WERE blogs) and it was a handful, too. And it did seem people were a little more patient about newbies trying to learn as they go along than they are now.) It's tough work and I wish you well.

* And as a child I daily walked 12 miles to school in the snow, uphill both ways, 12 months a year. Sorry for the cliches...