The 1912s are 90w, 15w more, which is squat. I wouldn't buy anything from that guy.
When it comes to speakers there's no right/wrong, it's just what you like. Since you askd I get to offer my preference, which is:
http://www.axiomaudio.com/m22.html (I have these)
or...
(Third try, I keep losing this post all of my own doing.)
Klipsch has those speakers spec'd at 8 ohms with a sensitivity of 97. The Denon AVR-1612 will be able to drive them with absolutely no problem (unless Klipsch is outright fudging their specs.) I can't understand why the Klipsch dealer...