Help with speakers issues part III

Hello All. This is a continuation of a year long sojourn. I have Magnepan .7's and while I like them my living situation does not allow for ideal placement of them. Primarily, the entertainment center being between the speakers. This tends to "kill" the dipole effect and restrict the sound staging. I added a sub which helped with the bottom end(and impact) and considered adding a second which is becoming more common. I listen to electric blues primarily and classic rock. It has been suggested that traditional "box" speakers may be more applicable here. Any recommendations for box speakers to fit the bill $2k and under?