I was curious and had a look myself. Seems to be the conclusion of a few people that tried it. Nice concept but really no more friendly than Gentoo.
Ahem, portage is very
user friendly, it's just a bit selective of its friends.
(Seriously, though, battling with OpenEmbedded/Angstrom/bitbake lately, I pine for portage, it actually makes sense and is significantly easier to debug an issue and fix/tweak/modify)