Yes, please do consider this kind of filter important enough to support it companywise, Corel and development team!
Looking at the number of requests, it's rather obvious that there is a demand for it.
Personally, I don't mind bying GradPro a third time (B4, B5, now ASP) - but it seems as it will take time before the GradPro plugin possibly can appear, as Mr Barnes unfortunately has announced on his web site.
Please Corel Corp, backed with your more than 100 million active users in more than 75 countries around the world (http://www.corel.com/corel/pages/index.jsp?pgid=800127
), assign some (minor) resources so that the developers in Texas can get this well-founded request satified! (and of course, also the fixing of more urgent show-stoppers mentioned here and there in this still completely unorganised forum)
Mandrivalinux 2011.0 PowerPack 64 bit, Intel QuadCore Q6700, 8 GB RAM, Dual monitors (2x30", 5120x1600), BibblePro 5.2.3 and AfterShot Pro 18.104.22.168 with all available plugins, Nikon D800E, Nikon D700, Canon S95. Color Munki Photo.