You guys have got me hooked on PE too! I've ordered from them 3 times in the past month!
Maybe the tweeters seem so bright is because they're quite a bit more efficient than the Audax woofers?
The only problem with a nice stereo in a Miata is that everyone within a stone's throw can hear your stereo too, even at modest volumes. I guess I'll just have to drive the SVTour...

Don't you just love putting together a really nice sounding stereo system for just a few hundred bones???