Hi,
Here's one I've come across--I am familiar with some of the posters there (only in cyberspace) as they have been around for awhile and are very knowledgeable about the profession.
http://www.mtexchange.com/mtx/ I don't blog because I'm boring enough to myself! I don't have the je ne sais quoi required to be clever and witty online.
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kkb (Karyn), who considered herself a newbie after 18 years doing MT and even though she is no longer working in the field, still remembers what it was like to be a newbie!