Or English is the Lojban IRC-speak. ;-)

Maybe I visit it at the wrong time, but even last time, lojbanists were discussing in English something about the newsgroup. Another time, over half of the messages were people asking in English how to translate something into Lojban.
Maybe they just have poor learning methods/tools.

I'm afraid I will say something which may not be a very good argument for learning Esperanto. :>
How short should it take for an "artificial" (bad word for many!) language to become popular after its use has been persecuted or limited by the government for years or tens of years, when most people don't really care about language study if it's advertised heavily?

Even if Lojban is somehow easier to learn, it is probably not easy enough to speak: look at its IRC channel.

Of every 4 words and a prefix in English, how many do have an irregular pronunciation?

s/author/creator/, sorry. Not sure which one fits better in this case.

http://www.wired.com/wired/archive/4.08/es.languages.html?pg=4&topic=&topic_set= cites "Lawrence Schoen, director of the Klingon Language Institute," saying there are about a dozen of fiuent(sic) Klingon speakers, and the language's author is not one of them.

Ho. Mi ne spektis ghin. Mi petas pardonon, se mi respondis tro serioze al sherco.

Mi postulis pruvon de h4rr4r, ne de vi.

Well, at least that's enough for propaganda of PRC and buddhism...[/not-so-serious]

I don't speak Latin, but I feel your "consistent" is wrong.
Why is "artificial" a problem?

Pruvon. Donu pruvon.