Plus, hunting DSOs is part of the fun. It will make finding and centering objects easier. You cannot use f3.3 focal reducer with a flip mirror on most telescopes due to focus problem. One of my best investments is on star atlas. 8th mag or more is a must, so you can locate those DSOs that's not shown in your finderscope.
Focal reducers helps a lot.
This is especially true for f10 system. I would consider them as a necessity. After I got my f3.3 focal reducer, I hardly use f6.3 any more. If you own a faststar scope and ST5 or PixCel 237, consider yourself lucky. It will save a lot of time setting up and taking down all the equipment each night.