It appears the drawing isn't to scale or was distorted during upload, since the 14'2" room width is visually similar to the 8' from entertainment center to listening seat.
If the listed distances are correct, your speakers may be too far apart, or your listening seat is too close. As a gross approximation you want an equalateral triangle between the mains and primary listening seat.
The drawing also has the mains overlapping with the entertainment center. If that means they'd be embedded somehow, that's usually not a good idea, acoustically. Maybe it's just a display artifact.
I think most would suggest getting QS8s over QS4s if your budget allows, likewise VP150 over VP100. However the VP150 is a lot bigger -- it may not fit.
I think M60s are adequate for a room this size and would give great sound.
