There's a "fine line" between potting up too early and too late.
Finally had some time to get it done.

7 Brahea nitida, germinated 3 months ago in a 4 litre ice cream pail:

<a href=" http://www.flickr.com/photos/southslope/7426152668/" title="001 by edible_plum, on Flickr"><img src=" " width="375" height="500" alt="001"></a>

No root competition now:

<a href=" http://www.flickr.com/photos/southslope/7426196962/" title="002 by edible_plum, on Flickr"><img src=" " width="375" height="500" alt="002"></a>

Next was the T. princeps from Garry...and here's what it looks like when you wait too long to pot up from community pots:
Unlike many palms, these had fibrous roots right at the top of the soil line.

<a href=" http://www.flickr.com/photos/southslope/7426193402/" title="003 by edible_plum, on Flickr"><img src=" " width="500" height="375" alt="003"></a>

A bit of delicate untangling of lots of fibrous fleshy roots, and they're potted up:

<a href=" http://www.flickr.com/photos/southslope/7426187032/" title="005 by edible_plum, on Flickr"><img src=" " width="375" height="500" alt="005"></a>

<a href=" http://www.flickr.com/photos/southslope/7426190112/" title="004 by edible_plum, on Flickr"><img src=" " width="375" height="500" alt="004"></a>

<a href=" http://www.flickr.com/photos/southslope/7426184006/" title="006 by edible_plum, on Flickr"><img src=" " width="375" height="500" alt="006"></a>

Leaving the toughest job to last, the P. dactylifera "Deglet Noor" from dates, germinated this winter:

<a href=" http://www.flickr.com/photos/southslope/7426180816/" title="007 by edible_plum, on Flickr"><img src=" " width="375" height="500" alt="007"></a>

Knew these would have long roots, but holy cow, 12 to 16 inches long, all tangled up: 😐

<a href=" http://www.flickr.com/photos/southslope/7426156598/" title="008 by edible_plum, on Flickr"><img src=" " width="375" height="500" alt="008"></a>

<a href=" http://www.flickr.com/photos/southslope/7426177842/" title="009 by edible_plum, on Flickr"><img src=" " width="375" height="500" alt="009"></a>

<a href=" http://www.flickr.com/photos/southslope/7426174478/" title="010 by edible_plum, on Flickr"><img src=" " width="375" height="500" alt="010"></a>

<a href=" http://www.flickr.com/photos/southslope/7426171248/" title="012 by edible_plum, on Flickr"><img src=" " width="375" height="500" alt="012"></a>