here is an excellent source of wine blogs on the internet published by ryan opaz of catavino:

Wine Blog · ger [wahyn blog-er]: noun – a person who regularly publishes online content about the subject of wine, in any language. Displayed chronologically, content is published using a variety of interactive blogging platforms. While traditionally published in written format, wine bloggers now utilize: IPTV (live interactive video streaming), vlog (video) and podcasts (audio). Located anywhere in the world the Internet reaches, they are prone to be rather fond of drinking fermented grape juice. http://wineblogger.info/