10194 was released in April 2009 for $99.99. It remained available on lego.com and amazon until Oct / Nov 2011. The nearly 1,100 element set consists of 3 minifigures, an A3 Pacific inspired steam locomotive, a tender and a dining car. It was also released with Power Functions and track (called K10194 Emerald Night Collection)
http://lego.wikia.com/wiki/K10194_Emerald_Night_Collection
One of the earlier press releases can be found below.
http://brickset.com/article/247/10194-emerald-night