Hi Karen:
This is great. Sytudents do appreciate getting their assignments and assessment returned quickly - everyone wants to know how they did. For some classes it take extra effort to accomplish this; other times, like with essays, it's not practical for immediate turnaround of returned assignments.
The main thing is if students need improvement or corrections in their thinking, the sooner we can convey that, the more time there will be to have an effect on their learning (and grades).
Regards, Barry