I have also found that mixing within the MnM is quite successful.
Listen:
http://www.youtube.com/playlist?list=PL-1BwWwCTsauioiImIBiuJGjh8Wdwy6aI
If the tracks here sound OK (I believe there are many people here who are able to assess it), then I just need a good monitor headphones and that’s all. These are mixed within the MnM on my iMac’s speakers… 