First, no, this thread does belong in Meta. The General RPG Discussion board is for discussing gaming products, campaigns, characters, and so on, that actually pertain to gaming in a reasonable, tangible manner. Meta deals with subjects concerning the site, how it's run, and the messageboards in general. Regardless, I'm not a moderator so moving on...
I've been visiting this site for about three or so years, at least, and the boards definitely do not go down "at least once a month". They go down once in a while, sure, but given the vast amount of traffic this site recieves, more than any other site I've ever visited, that's hardly surprising. In addition, this new server has been the most stable of all the ENWorld servers up to this point. Even if you were correct that the boards go down "at least once a month", that's hardly noticable considering the vast amount of time they're up.
Consider, 30 days is 720 hours of time. The boards going down at least once a month for half a day cuts that down to 708 hours. That's neglibile, and hardly any downtime at all. I think the boards work fine.