Primary machine here, I have mine set to 6000 and it fixed the scroll problem. Primary machines require a longer refresh rate......
Not sure how you do the client thing....
Also not sure if any of you know this, but if you add the headers to the file. The headers become interactive by way of sort. You can sort by any column, if you place your mouse over the column name it hightlights and then when you click it sorts ascending and descending.