Converting to 24p is an alternative. But as you discovered, going from 30p to 24p has issues that will affect the material, in some scenes more than others. It is much easier to go from 60i to 24p for a number of reasons. But if one wants the material to be as faithful to the original version as possible, it's probably a better approach to find some way of presenting it without the need for temporal conversion and interpolation that going to 24 frames inevitably requires. Hence my suggestion to find a way to project from either tape or a computer file at 60p. The downconversion in terms of resolution will likely be far less harmful than frame rate interpolation....in the end I ran the whole concert through Compressor for 30P to 24.000P using motion compensated frame rate conversion In smoother pans there were some minor judder issues, and a few "morphing" artifacts, but it was deemed acceptable for the purpose. BTW, it took 40 hours to render a 75 minute concert on a quad Intel.