"MorphOS 2.8 will be updated with support for R300 drivers (9600 and above) with full 3d layers/acceleration and powerbook support!" http://amigaworld.net/modules/newbb/viewtopic.php?topic_id=34034&forum=2#624210
So R300 3D drivers in MorphOS 2.8 are confirmed now? (And btw, R300 starts with 9500).
