Bert, I have the cube version and it definitely has a 16x9 screen mode, in addition to 4x3& 4x3 letterbox. I think you can't change it during a game. Before you start a game, go to system settings, visual setting and choose from the...
According to NintendoPhiles,
http://www.n-philes.com/php/epyplkyelfefpaklayaf.php
Great News for Nintendo, hopefully this means more Square-Enix games on Cube. I can't wait for this game!
but GC is just a total failure
They have sold roughly the same number of consoles [9.4 million or so] as Microsoft. Is the Xbox also a total failure? The Cube has sold less than projected but saying it's a total failure is a bit harsh.
Treasure, for creating Gunstar Heroes, Guardian Heroes, Yu Yu Hakusho[fighting game], Alien Soldier, and more recently Ikaruga. Tons of great shooters. Also SNK is another favorite.
AMC supported letterbox a lot more in the past. I remember watching some great Hammer films letterboxed. What happened to them? That channel stinks now [IMO].