Google Blog Search
Pointed out by CH via e-mail (thanks C!)
If you've read my article in the July/Aug issue of
Online, I gave some somewhat convoluted instructions on using the general Google to search blogs. I've yet to completely run this through its paces but I tried a couple of brand names and model numbers and it seemed to work pretty well. So, if you just need a quick fix to see major mentions of your brand in the blogosphere, you might try this. Also (and importantly), it has alert feeds! (yay!)
Update:
Danny Sullivan does some analysis