I was working with a memory image a little this morning (deleted a few regions, do a refresh with a connected PLC), and I wish there was a progress bar or percent indication so you could see how far along you were in the process and estimate how long it was going to take.
Also, after doing all that, I did a compare with the memory in the PLC, and the cursor kept flipping between the normal arrow cursor and the hourglass, but again, no progress indication and even odder, when (I think) the comparison completed, no message dialog or status in the output window indicating complete match, areas of difference, etc, even comparison complete. Just returned to the arrow cursor and that was it.
Also, if you do a code compare between the program in memory and the PLC, even though edge bits is unchecked in the dialog, you get them anyway. Then if you hit the Compare... button in the dialog, get the same compare config dialog back again, edge bit compares still unchecked, don't touch anything and hit OK, then they go away, even though the compare configuration supposedly hasn't changed. Sorry, I know I've harped on that one before.