I'm pretty happy with the B string to be honest. It's got great definition. Usually with cheap basses the B strings are just crapola and the notes are just mud, but this is great. As for weight, mines not even that heavy, think my Sandberg is about the same weight.
A mate I know recently bought an American P5 and I played a few tunes on that at a gig and it wasn't too bad, but honestly I see absolutely no point in spending the extra money to get one..I just cannot sing enough praise for this squire. It is absolutely brilliant.
What sound clips did you use to decide between the Fender & Nordstrand pickup? Curious to hear the differences.
I'm totally fine with the B now that I've changed strings. In fact, I'm ecstatic about it. It defies the commonly thrown around 35"/.130 gauge views and that makes it even better. A .125 on a 34" scale is not the best recipe for a taut low B, if you follow some a good chunk of TB advice.
Here's the best comparison I found, YMMV:http://m.youtube.com/watch?v=OcEgYU0ysZc&desktop_uri=/watch?v=OcEgYU0ysZc

