Anyone bought the 42009 for investment yet? I ordered one today, but I don't know if I should build it, or keep it for investment after reading the following:   http://community.brickpicker.com/blog/4/entry-304-lego-technic-investments-on-the-fast-track-or-in-the-shop-part-2/   Let me know what you guys think.    I just started buying Lego as investment, but I must say: Its addicting