There's a guy selling the Ref 50 for $2300 on audiogon. This almost sounds too good to be true for a state of the art processor/preamp that is fully balanced from input to output (or so he claims). What do you guys think of this deal? BTW I was browsing around in Tweeter yesterday and found the 307 on sale for $2700. It made me wonder if the 307 was outdated. Does anyone have a clue about that? Also the salesman told me that soon B&K is coming out with the new Ref 50.