Microsoft may be doing its best to move past Windows XP once and for all, but a Los Angeles woman is alleging that the company is all too happy to bank some extra change on the OS in the meantime, and that it's essentially trying to have it both ways. As a result, she's now suing Microsoft over its XP "downgrade" fees, and requesting that the lawsuit be granted class-action certification so others can get a piece of the action. Apparently, Emma Alvarado bought a Lenovo PC last June and had to pay an additional $59.25 to downgrade to XP, which she claims is simply a case of Microsoft taking advantage of consumer demand for XP to