Skype, at least, for iPhone and iPod Touch works (only) on WiFi, and works very well. Compared to the poor AT&T coverage in many parts of downtown Atlanta, WiFi coverage could really cover the extra bases... provided one was not moving at high speeds.
This is the first usage of a non-intel or -AMD x86 CPU to run desktop OS X on non-Apple hardware. There are no known guides to running a VIA C7 variant, so if this guy's not bluffing and provides some info, this helps other ultraportables using the C7 to run OS X.
Regardless of the complete un-kosherness of running OS X on non-apple hardware, it has opened the gates for tons of free enthusiastic public user testing.