During an interview with Reggie, he reiterates that Pokemon Battle Revolution is still set to launch the Wii's online functionality in the US. He backs up this statement by also offering up that third parties are now finally starting to receive online dev kits, giving the hope that we could all be enjoying online gaming in the coming months.
Of course, Reggie doesn't go on to describe which third parties had received these kits or confirmed any other titles beyond Pokemon Battle Revolution, so we'll be sure to update you as soon as these games are revealed.