Are the Paradigm Founder Series really, really good speakers?

I'm considering them as a replacement for my beloved Phase Technology PC 3.5's. I'm looking at the 80f or the 100f. 

I've listened to them but can't help but think that they sound really good but do they really sound good or just different than what I'm used to even though I'm very happy with them but feel like I want something new/different.