Bought a brand new Gateway, struggling to get used to Vista… hope this wasn’t a mistake. Gateway SX2800-01 – CNET TV Oh, well, maybe this was one of those impulse buys, even though C/NET really liked it and picked it for a recent Editor’s Choice award. My previous desktop computer (the one Riley liked to sleep on) would no longer boot up and since there’s a Tiger Direct/CompUSA nearby, it was decided (yay) that I would have a new computer rather than settle for replacing the old CPU and soldiering on with the previous system (which was made up out…