Well, I fixed it. The new coil pack I bought fixed it. I only bought one coil as a diagnostic tool. I started changing them out at cylinder #5, and started the engine each time and had no change as I went down the line. I had lost almost all faith as I got down to the last cylinder, and wouldn't ya know it, that was the problem! I still have no idea why it didnt throw the 0301 code instead of the random misfire, but regardless, my trusty old Volvo will live on!
Thanks to those who offered their help in helping me resolve this problem.
I will be buying a new full set of coils, as I expect the others to start going as well.
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