I personally refer to it as pixls.us usually.
picks ells dot us, or
pixels dot us.
I'll call it pixls for short sometimes, or if I'm referring to the forum only: discuss.
@chris your reply is pretty much spot on for what I was thinking when I finally found the domain name, and is something I try to nudge people towards thinking about.
Of course, this is all pretty open to interpretation by the community, and I'll roll with whatever it evolves to.