We're still waiting on LG's ginormous 72-inch LZ7900 to make its debut on store shelves, but the rest of CES's primo 3DTV crop is rearing to ride out, with Sony's HX929, HX820 and HX720 series of LED-backlit LCD screens and LG's Infinia PZ750 plasmas now priced at Amazon. 3D-Display-info.com found Sony's locally-dimmed Bravia sets starting at $2,099 for a 46-inch HX720 with Gorilla Glass protection, all the way up to $3,799 for th
