PC shipments are still heading the wrong way down the gadget freeway, according to Gartner, who thinks that we're now consuming media mostly on tablets and just flitting over to the PC for grunt work. The survey outfit theorized that a single shared computer can often suffice for a family, with individuals getting their own tablet instead of a laptop or desktop for personal stuff -- especially with compelling, inexpensive new entries like the Nexus 7. Gift-givers were less inclined to wrap up PCs this
