On the left is a straight assembled version of the Real Grade version, on the right is a painted HG 1/144 G30th version.
Shown with 1/144 scale MS Hanger, the special furoku to included for Dengeki Hobby Magazine September issue (July 24th release), as revealed at this year's Shizuoka Hobby Show.
July 24th release, 2,625 Yen (inclusive of tax).
Images are from Katsumi Kawaguchi-sensei's blog.