Our agency has stayed away from general linkbuilding because, well, it's a pain. I already had Dibz and Reportz, which are excellent products and when I saw how Base would connect the two, well I was "Take My Money".
There is a learning curve, so set aside a day to get the workflow setup and figured out. But once you can see what you can accomplish, you've got a mission-critical SEO service in your tool belt.