Usagi Yojimbo DojoBoard

Is there any way the Fantagraphics stuff can be collected in a larger volume? Also, if I recall correctly, there are some things that are not collected in other volumes. Are there any plans to collect these?

With all of the collections coming out from Dark Horse lately, (i.e. Aliens Omnibus, Predator Omnibus, Star Wars 30 Anniv. Collections, etc.) are there any plans to collect Usagi Yojimbo in an omnibus-type format. I know there are the twenty something graphic novels out there, but maybe having a few...