yeah FB with instant interaction pretty much takes the lead. Probably whatsapp groups for those savy enough, then reddit, then lastly normal forums. I still love it here because its historical memory thats not managed by an AI or algorithm..
Agree with Carl on amps.
i used a simple 2 way topology for the pm60 using passive crossover. Less wires, wiring and amp channels. Should cost you less than $50.
using the full 3 way of course you can eek out the full performance of the box but then everything else becomes more expensive. And...
i spent money on a class from Nathan Lively that was very beneficial in understanding the basics on how everything works. From there you will be better equipped to understand if you really need smaart or not..