What speakers are you running or plan to run? Match your amp to the speakers. Many good amps out there. Just like everything in life, comes down to how much do you want to spend.
I have a B2 currently running Arc speakers up front. It does OK but they need more power. After christmas, the Arcs and B2 will be pulled for a new front stage
2009 Road Glide. 16 in Vindikta Wild Cats. Aquatic AV, Stinger 700X4 to MMatts, Audiopipe horns.
6900pros in the lids w/ sspn.4 1000d, tuned with DD Audio DSI-2. S&S 106, lifters, push rods and AC. Drago 2. CycleRama 575. Progressive monotones -1in. 12in. HD adjustable rear shocks. Painted inner fairing. Tuned with TTS. Blacked out!