Couldn't agree more that there is no definitive answer to the best Sub. Although there are great great factories coming ever closer to the perfect 1:1, I feel that there won't ever be such, as mentioned also above. These factories need to keep making money, so each model will have flaws that are corrected, and new incredibly tiny flaws.
So, this tutorial is perfect for those wanting to build. Its also pretty fun, speaking from experience. I wish I found this forum and thread when i started out.
Top post!!