Originally Posted by neuron
...and tension's sake.
This may be a very good point. Radial lacing will probably "settle in" differently than 3x, because the crossed spokes settle in around each other (radial seems to keep tension from the start, as long as you build it heads-out, elbows-in at the hub) although this probably isn't really a big deal. I would just make sure to re-check the truing and centering after 50 and 100 miles or so.
Do I have a point or am I crazy?