There will never be a consensus, because each of us has different skills, perceptions, and of course biases.
When converting from Raw, the skill of the operator is also a factor. For someone just wanting to convert and get a nice sharp image, DXO may be the best. However, there is a lot more to photography than just raw conversions, so pick your poison.
The reason why LR is popular is that it does more than just converting raws, a lot more, so its cost effective.
I could live very nicely with any of them, but, for now, I use lightroom 4.
Most have a free trial, take advantage of it and see what you like. Its ok to like something besides Lightroom, a huge number of people prefer something else.