You have to be kidding, there is night and day difference between bilinear and trilinear. You obviously have a hidden agenda, or just uninformed to believe what you say. The 5900 has had many fallbacks to hardly call it competition for ati at this point. I am not going to point them out because it would be beating a dead horse and there is proof everywhere, search yourself, I have, obviously you need to spend some time and do so as well.
System 1: 2500xp@3200|1gigHyperXPC4000|AbNF7s|Fortissimo7.1|SonyDJV700|DvdR+&CDRW|160gbHD
System3: 2400xp|512xms|Epox 8rda+|9500pro