Speaker choice, help please.

Hi,
I am thinking of getting a new pair of speakers. My current set is Sonus Faber Signum on its wood stands.
Conditions:
- Distance from speakers: 9 ft
- Distance between speakers: 8 ft
- Room dimention: 22' x 12' x 9'
- There are equipment rack and TV set between speakers
- Distance from front wall to speaker: 1' or less
- Front wall (facing me): usual apartment wall, no treatment is possible.
- Monitor on stand preferred (but can be flexible as long as it is not too big).
- Have subwoofer (REL Strata II, not III): need to change as well?

Now, given conditions above, I am looking for something with very wide and deep sound stage, and easy-to-disappear kinds + of course great sound. My kind of music is classic - violin, piano, orchestra - relatively warm side, and accurate from top to bottom is required if at all possible. Yes, I like Sonus Faber sound, but would like to have broader recommendation. Budget is not much of concern for now. Thanks in advance.