I placed an order on the 20th for a 21.5 iMac with some upgrades. So far it has not shipped. Has anyone else ordered with upgrades recently and if so, how long to ship out? It says 1-3 days but I am concerned that there are a lot of orders for the new Retina iMac and it may take longer. Does it usually take longer if there has just been a new release? Thanks in advance.