It has actually been featured many times on the SM poser blog and other sites including this one.   Unfortunately, Monty Oum, the creator, died earlier this year but it's been said that the series will continue as planned.

Here are some threads about it:

http://www.daz3d.com/forums/viewthread/28941/ 

http://forum.runtimedna.com/showthread.php?85883-Can-Poser-make-Machinima-like-RWBY 

http://www.smithmicro.com/company/news-room/press-releases/2013/07/03/smith-micros-poser-software-empowers-rooster-teeth-productions-upcoming-rwby-web-series 

 http://roosterteeth.com/archive/?sid=rwby&v=more

 http://en.wikipedia.org/wiki/RWBY