There's always a chance, even with new parts, for problems. The MSD digitals were getting a bit of reputation for issues - probably resolved by now, but keep in the back of your mind.
If you know someone with a scope, particulaly with some experience looking at MSD CD waveforms, a lot of stuff can be seen. Of course it may be subtle or not visible without the load, but I suspect its will still show up.
If your not familiar with scope, heres a few intros The-Art-of-Spark Spark Burn Time ignition_testing
