Follow Link is V-ray RT demo.
http://www.ascantica.com/test/Ascantica ... rial_1.flv
I think this renderer version like as G2 Plugin for Lightwave 6.5. Six year ago, Lightwave user also enjoy G2. G2 also can realtime playback and RT reflection / reflaction And GI . But why can not popular. May be G2 is not surpport MAX. Haha.....