It sounds as though your setup sounds great to you, so why mess with it.
My room is 25X15 with large speakers (B&W800's). I originally set them up 5 ft from the back wall (using the "rule of thirds." My speakers are along the long wall, and about 9+ feet apart. My seating possition is about 1.5 ft from the wall behind me. The speakers and I form an equalateral triangle.
This is how I set them up 9 years ago, and although I have made many electronic changes, the system always sounded great, so the speakers have NEVER been moved.
IF IT'S NOT BROKEN, DON'T FIX IT
My room is 25X15 with large speakers (B&W800's). I originally set them up 5 ft from the back wall (using the "rule of thirds." My speakers are along the long wall, and about 9+ feet apart. My seating possition is about 1.5 ft from the wall behind me. The speakers and I form an equalateral triangle.
This is how I set them up 9 years ago, and although I have made many electronic changes, the system always sounded great, so the speakers have NEVER been moved.
IF IT'S NOT BROKEN, DON'T FIX IT