As a side note, I ended up creating two grids and making them behave as one. Which included having the columns on both grids (for sorting), but with different visibility. Modifying the CSS so it appeared like they're the same. It also involved a lot of javascript to sync scrolling.
Must have also for me!
Agree, "must have", would be "really great" to have it! Two already-great features, when combined, will become a LEGENDARY feature.
Please consider adding this feature
This is a "must have" functionality!