A helpful point of information for future posts. You would have received a much better response and salient answers if you stated why you were inquiring instead of leaving it open ended. Your opening line only stated that you wanted to "assume some information". For what purpose! You also sent a mixed message in your second response by saying you were looking into new units as well as thinking a newer used DP. After the fact, we might be able to digest your intentions to better understand your concerns. They weren't very clear to begin with.