At UVa, we have a new Scan and Score service to scan bubble sheets (yes, we still use them here) and score them electronically for instructors. This service generates a CSV file that can be transfered into an instructor's My Workspace > Resources via WebDAV.
This workflow was designed as a security measure to avoid emailing grades to faculty and thus reduce the risk of grades being exposed by a breach to an instructor's machine. However, one can only import grades in Gradebook by browsing to the desktop, so Import Grades doesn't currently support the security measure we're attempting to implement.
Providing for a browse to Resources, in addition to browsing to the desktop for a graded items during the Import Grades process would be a very nice new feature. If this is not already in the works, we will likely implement it, fyi. If it IS already in the works, we will contribute resources to developing/testing this new functionality.