Plesk Panel 10.4.4 for SuSE 12.1 support – new OS version support – is available since Mart 14, 2012 through the Autoinstaller, vzcatalog and vzup2date.
Download page: http://www.parallels.com/download/plesk/10/

Links to Autoinstaller:
http://download1.parallels.com/Plesk/PP10/10.4.4/SuSE12.1/parallels_installer_v3.11.0_build120110.11_os_SuSE_12.1_i386
http://download1.parallels.com/Plesk/PP10/10.4.4/SuSE12.1/parallels_installer_v3.11.0_build120110.11_os_SuSE_12.1_x86_64

Links to major EZ templates:
http://download1.parallels.com/Plesk/PP10/10.4.4/SuSE12.1/vztemplates/pp10-suse-12.1-x86-ez.tar.gz
http://download1.parallels.com/Plesk/PP10/10.4.4/SuSE12.1/vztemplates/pp10-suse-12.1-x86_64-ez.tar.gz

Links to versionless EZ templates:
http://download1.parallels.com/Plesk/PP10/10.4/SuSE12.1/vztemplates/pp-suse-12.1-x86-ez.tar.gz
http://download1.parallels.com/Plesk/PP10/10.4/SuSE12.1/vztemplates/pp-suse-12.1-x86_64-ez.tar.gz