We've come across a bonanza of information about HP's Spring 2010 plans for North America. Kicking off the new year in style will be Pavilion desktops featuring a choice between ATI's Radeon HD 5350 (code named Evora Cedar), which will have HDMI, DVI and VGA ports along with 1GB of onboard memory, or the juicier Radeon HD 5570 (aka Jaguar), which bids adieu to VGA in favor of DisplayPort and bumps up the memory allowance to 2GB. Core i3-5xx and Core i5-6xx machines are also slated for the early part of 2010, based on that e