T Gauge is on the way. The launch in Japan was delayed due to some technical difficulties. But when it hits the virtual shelves (hopefully sometime in September), I'll be ordering a set right away. Shortly thereafter I should be posting news on where to get it, what it's like, and what you can potentially do with it other than use it as intended—a Japanese commuter train.
In the meantime, you can see pictures at Eishindo, the manufacturer's website, as well as these Japanese blogs: