With Interline even for 640x480 xD
You mean 2xSaI? Yup, it's definetly not for such radical resolution change... but this plugin imo it IS
http://img44.imageshack.us/img44/3064/smoothercopy.png
(Right - Original screenshot upscaled to 1280x960, Left - The same but a little more smoothered) - surely it's much easier to add some more missing details to enhanced sprites/game screens than making it from a scratch in HD
