Jim Ursetto has well quite a while ago but no one as far as i know as reported on them, released 3 demos for the Dreamcast, heres whats written on his Site [br][br] punch -Test harness for benchmarking large polygons (especially punch-throughs). Requires pvr_reset_stats patch, below. [v01] [br][br]04-02-18 Oceano Basic specular highlighting example. Requires specular highlight patch and libparallax patch. [br][br]04-02-08 Serpent KOS bubbles demo modified to run about 5x faster. This technique is applicable for any precomputed model. [br] [br][br]anyone with more info please share