essential.
not just the ability to sort, but the ability to organise hierarchically into folders by your own criteria . . . or maybe by scale . . . or by source view . . .
~/archiben
b e n f r o s t
b f [a t ] p l a n b a r c h i t e c t u r e [d o t] n z
archicad | sketchup! | coffeecup