I am not sure if your list was created of speakers you like, or just coincidence. But they are all relatively in the same boat. Dynamic, demanding, a bit bright to some listeners, and GREAT values. I really love the combinations of the PSB Goldi and the Sunfire. It is a terrific marriage. Those speakers are best(and REALLY come alive) with an amp that can really pump a lot of current into their low impedence. You can pick up a new pair for about $1700, so cost is comparable to Paradigm. You could not go wrong with any of the three, but since you already have the Sunfire, I would opt for the PSBs.
PSB Gold , NHT 3.3, Paradigm 100 V2?
I am a casual listener rather than an audiophile. Any opinions on choosing between PSB Stratus Gold, NHT 3.3 and Paradigm Ref. 100V2? Or other speakers in a similar price range? I have Sunfire 300wpc amp and Quicksilver tube pre-amp. The room is about 25 feet by 15 feet.