I've looked over the entire list of what is and has been available, and so far MR has done a pretty good job with the scaled line of lightsabers. The only sabers that I can see as lacking from the list from a popular character standpoint would be the following:
Luke Skywalker - ESB (basically similar to Anakin ROTS, but with wear)
Qui-Gon Jinn - TPM
Anakin Skywalker - AOTC (chrome version of Vader - ANH)
Any other ideas??