Yep, I once used an EHX LPB2ube with my NL2X. I wanted to replace my G2 with something more immediate, but was a bit disappointed by the sound as my G2 is well programmed (thanks to the community); so I got this one (Long story short: I still have my G2 but no NL2).
I don't know what to think about that. When playing just one note, it did not make an obvious change to me: it was audible with headphones and quite loudly. But when playing polyphonically, yeah, I could overload it a bit and there was an interesting difference. Something in the vein of overdriving a guitar amp rather than changing the character of the synths modules.
I've used a Nord Electro since 2009 and as soon as I play an EP, I can't help from enabling the amp sim: I just love that crunch rather than pure, clean sounds. Try the unit, be aware of the impedance matching issue, and tell us what
