Yup, Japans getting the demo in about 1 week and 1 day

They are apparently putting the demo on this website so you wont just need a PSP Japanese Playstation network Account to get it.

(On the bottom of the page, Not available until Jan. 11)

http://phantasystar.sega.jp/psp2i/trial/

You can use something like google translator to read the text.

And the Infinity trial license is available for download on the Jp. PSN Store on January 20th so you can play online. They say its limited supply though o_O