HP announced a raft of new Ivy Bridge desktops back in April, but it had a few more all-in-ones up its sleeve. Today the company is unveiling a mix of business- and consumer-targeted machines: the Compaq Elite 8300, Compaq Pro 6300, Envy 23 and Pavilion 23. Let's tackle the business models first. Starting at $879, the 23-inch Compaq Elite 8300 is available with second- or third-gen Intel processors and integrated or discrete graphics options. A $929 configuration comes with a multitouch-enabled display. The Compaq Pro 6300, going for $799 and up, doesn't offer touch funct
