As Nokia comes up on Capital Markets Day next Friday -- an event where the company has historically unveiled interesting things and launched important initiatives -- rumors are once again swirling that they're going to be announcing a major platform shift by way of a competitor. Both Android and Windows Mobile have come up in the past on multiple occasions, owing in no small part to the fact that Nokia's had an outward appearance of spinning its platform wheels on the backs of S60 and Maemo for far, far too long, but so far, nothi