new laptops unveiled. Sure, Samsung's rail-thin Series 9 stole a lot of the glory, but Dell and ASUS also rolled out a few new Intel Sandy Bridge systems. But something else big happened this week in the portable computer world -- a good number of the dual-core Sandy Bridge systems finally started shipping to you laptop-loving people. Wait, but didn't that happen back at CES? Not quite: while Intel announced the availability of Sandy Bridge back in January, it only started to ship its quad-core chips -- now all the dual-core Core i3, i5, and i7s are ready and so are the systems that house 'em. We've gathered a list of the rigs that are now up for order or hitting retailers. Hit that read more link for a breakdown, and start deciding if you need some fresh dual-core power in your life.