Thanks for the feedback jpetersen - that is what I would expect - I would be surprised if more than 10% of Sonar X3e users are experiencing the take lanes issue (otherwise, I think we would hear a lot more noise about it on this forum).
 
While, unfortunately, I can't reproduce the issue at will, it seems to arise when I have had to do a lot of copying and pasting multiple tracks.  Yesterday, I found that a very simple snare track - that I had not done any "punches" into -- had data on 12 take lanes - presumably, somehow arising from cutting and pasting (never using blend old with new, but rather always "replace" or "slide over").  Instead of taking the time to clean up the track, I ended up wiping it and starting over.
 
If anyone who has had the take lanes problem has figured out which setting (or set of actions) triggers the bug please speak up - thanks very much!!!