im planning to buy one of those benq DW1625 or DW1620 or DW1620 pro or DW1640. which one is BEST? what is the difference between DW1620 pro and DW1620
i search the forum for DW1620 and DW1640 comparison. but all i see is screenshot of some programs. i'm a newbie i have no clue what those screen shot mean.
and what is overspeeding? what is the advantage of overspeeding?