Cooker features gimp print alpha2 drivers. Alpha3 has been out for a week now. http://gimp-print.sourceforge.net/ Gimp-Print 4.1.99-a3 is released! New as of August 14 2001! Gimp-Print 4.1.99-a3, an alpha release in the 4.2 line, is out. This offers many improvements and bug fixes.
