Wow, flexible crossovers; the Integra 6.3 seems like your ticket! What's the msrp? And the comparable Onkyo model? I used to have the Onkyo 989, incredible piece of engineering and virtually identical to the Integra 9.1 receiver.
If the Gallos reproduce above 120hz as good as what you've heard, then keep them; ie, don't trade away WAF and over 19,000 hz for ~ a mere 40hz :) If you stick with the Gallos, just do two things:
- get a receiver or prepro with a 120hz crossover (Sony DA5ES, HK AVR520 are good choices under...