http://www.ronenbekerman.com/linear-workflow-made-simple/
http://polycount.com/discussion/73593/normal-maps-can-somone-explain-this-black-edge-issue
http://docs.cryengine.com/display/SDKDOC2/Ambient+Occlusion+and+Normal+map+bake+using+Xnormal
http://help.chaosgroup.com/vray/help/150SP1/tutorials_interior.htm
http://docs.cryengine.com/display/SDKDOC2/Common+XNormal+Baking+Errors+and+How+to+Solve+Them - xnormal is actually a really cool software.
interesting read from all these websites. tuts to refer to when i have the time.. been having some troubles with normal maps at work. not sure what's the issue but there's always this black edges that appears along uv edges/seams.
https://www.screencast.com/t/Ai57wdFnDhbq