I got mine last week also. I flew one today, but picked the wrong rocket. I tried a D5-4 in a Semroc Lil' Hustler. The flight was OK, but ejection was well after apogee. The rocket was damaged but is repairable.
The motor worked great. It has a nice roar to it. I also liked the long igniter that came with it. I'm looking forward to Semroc and Quest coming out with some adapters so I can fly these motors on other rockets without having to improvise a mount.
timmwood

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NAR 60014, Level 1, SAM 124