Stop. Collaborate and listen… Apple’s online web store is down. Blog 9to5 Mac, is reporting that new, Sandy Bridge quad-core iMacs are due later this morning. Furthermore, the site states that the new all-in-one desktop will come in four standard configurations: 21.5-inch, 2.7 GHz quad-core; 27-inch, 2.7 GHz quad-core; 27-inch, 3.1 GHz quad-core; and 27-inch, 3.4 GHz quad-core. The two 27-inch units will ship with the AMD 6770M graphics card while the two 3+ GHz models will ship with a AMD 6970M card; all units will come standard with 4GB of RAM and a 1TB hard drive. We should find out later this morning if Apple has anything else up its sleeve.