I hate to be the rainy cloud here, but is there confirmation for this? I have heard from "a reliable" source before only for it not to be true. Although I want a sixth season REAL bad, I don't want to invest in false hopes, if you know what I mean. Is there any official online confirmation of this yet?
As far as RDA not wanting to do another season beyond that, I have heard this also. He has a major save the wildlife kinda campaign right now, and is spending a lot of time in S. America I think. Doing that, plus Stargate, plus a family life (which he is very involved in) does get taxing I suppose. However hopefully we can look forward to seeing him doing some of these conservation documenteries on the Discovery channel or something even after Stargate is over. (Yeah I know it's not the same as Jack though.)