The operational capacity of the c-train is a bit of a different issue that what is the most appropriate land use surrounding the station. All things being equal, it's a lot more efficient for more people to be living adjacent to Brentwood Station, The Research Park and U of C than out on the fringe of the city instead.
Here's the Mobility and Assessment Plan for the area.
http://www.calgary.ca/DocGallery/BU/...sment_plan.pdf