http://www.alphaworks.ibm.com/tech/irt
http://www.blachford.info/computer/Cell/Cell0_v2.html
Cell processor at the WCIT (World Congress on Information Technology)Austin, Texas.
An interview with Jim Kahle (the "Father" of the Cell CPU) :
http://www.youtube.com/watch?v=gV_95-rmYNo
PS3 Real-time Ray-tracing:
http://www.youtube.com/watch?v=oLte5f34ya8
Gran Turismo 5 Red Bull X1 Challenge Nurburgring Gold:
http://www.youtube.com/watch?v=Ky0wm0ZpceY&hd=1
This is the final time im going to waste my time explaining that the rsx processor isn't the only graphics rendering capable processor inside playstation 3 & yes it gives this console quite a edge over xbox 360 considerably.