The uTasker Kinetis V1.4.1 release in now available. This release has quite a lot of new features and also interesting extensions to its simulator.
Full release note details are at http://www.utasker.com/forum/index.php?topic=1721.0
Due to additional IPv6 TCP features, including 6in4 tunnelling making optimal use of the Kinetis Ethernet checksum offloading, the following Tower Kit IPv6 video has been prepared to go with it: http://youtu.be/BMPXhtoUeJo
Below is a screen shot of the TWR-K70F120 operating in the simulator with support for LEDs, touch inputs and buttons on the board.