We're still filing this away in the rumor folder for now, but we'll be honest -- this is totally believable. GigaOM has it on authority that a bona fide Skype for iPhone client will be launched as early as next week, and with CTIA kicking off on April 1st, we'd say the timing is just about ideal. Of course, we've already seen a variety of alternatives for bringing Skype and other VoIP a