What's up everyone! I got the bass back today!!! I'll be posting pics and some real basic audio clips tomorrow for sure. For me, these pickups have breathed new life into this bass. I was on the verge of selling it, but now it's a keeper!
My first instincts are:
1) The MM style pickup is definitely a bit hotter than the J style pickup. Because of this, the sound of the bass actually favors the MM pickup if the pan pot is in the center position. I've been favoring the neck pickup just a hair, and I seem to get a great blend of both.
2) The bass just sounds a bit more "alive" to me. To be honest, it sounds similar to the Barts IMO, with with a touch less low-mid, and a touch more high-mid. The highs are a little bit glassier, but without being harsh. It's very punchy, I get even output from all of the strings, and the bass is a bit lighter with the Nordies installed. I know I'm just kinda spitting things out as they come to me, so bear with my grammar

I actually also feel that the bass is more versatile...it sounds to me that I have a greater range of tones than I had before. More to come tomorrow!