My new rack is 32 inches tall and 65 inches wide (the top is about a foot below my tweeter) and the front of the cabinet is about 18 inch behind the front baffle of my speakers. My speakers are fairly far apart and around 2 foot away from the rack which is centered. The bottom of my 75 inch flat screen is about the same height as the top of my speakers. It's about 3 feet behind the front of my speaker. I should probably try covering it to see if it makes any difference.
Putting the gear to one side would not work well for me with a single stereo amp.