Learning to fly the rudder to wind correct will certainly make you a better pilot and is ultimately the most useful and underutilized tool and most difficult to truly master. You absolutely do not want to mix for crosswinds because conditions change too frequently to even consider a crosswind mix,,, even more perplexing... what would you mix? There are just too many variables. For that matter you dont want to mix for any external variables because external variables are just that, variable.

I see lots more comments here about no mixing making you a better pilot. Fellas, that could not be further from the truth and its not my opinion its a fact. Your goal in setup should always be to build and setup a plane that flies truly neutral with no coupling issues. Once you have done everything in your power to mechanically adjust out all of the bad tendencies, you mix out what is left. Mix is just an extension of good mechanical setup,, it is not the radio flying the plane. How many of you intenetionally leave the engine thrust out of whack, or leave excess weight in the plane, your ailerons drooping, or incorrect incidence in the wing/stab? We correct all of these things to make the plane fly better, more neutral.. At some point you have done all you can do and you are left with the inferior qualities built into the airframe design. At that point it is no different to mix out a coupling issue than it is to trim the elevator or ailerons for level flight.

If you want to fly without mixes thats cool, but it will not make you a "better pilot" in the long run.. As a matter of fact, it can lead to bad control tendencies because you tend to "lean" on a control constantly to compensate. I would take little pride in 0 mixes unless it is because your plane has no inherent coupling issues and flies perfectly neutral. [8D]