This is precisely the goal of projects like p2p-dns[1] and AlterNIC[2]. It is mostly a chicken-and-egg problem of getting users to resolve non-standard TLDs, so that those non-standard TLDs are registered to things users actually care about, etc, etc.

[1] http://dot-p2p.org/ [2] http://en.wikipedia.org/wiki/AlterNIC