WowSkype was just the begining, more big telephony apps are making their way to the iPhone platform. Google Voice is the reincarnation of Grand Central, which acts as a switch for your phones allows free US SMS, voicemail transcription and many other features. Theoretically you could use even Google Voice and Skype together on an iPod touch. We'll be the first to let you know when it hits the app store.
Update, we're not sure if this app is made by Google or just uses the Goo
