If you like them, keep and use them. It's just TV, anyway. If they image decently enough you may not need a center channel. However, (I swear this is true) major advances in speaker design and performance have occured in the last 23 years.
Maybe you can reduce the floor shaking by getting speakers off the floor. Good bass really shouldn't shake the floor unless some boards are loose.
Maybe you can reduce the floor shaking by getting speakers off the floor. Good bass really shouldn't shake the floor unless some boards are loose.