Alrighty, after reading this post...
http://www.peachparts.com/shopforum/showthread.php?t=155877&highlight=300e+mas
I went back and rechecked for spark. The coil gave a white hot spark SOME of the time.
Replaced the ignition coil and the car is running great so far.
Thanks to all the helpful responders, wish me luck.
~K