Well I got my DNA 40 Shark (dated 1/22/15) on Thursday. Started getting wonky by Saturday. It would scramble every now and then. Even did a slightly scrambled scrolling from left to right the other day. It works fine while scrambled / scrolling, and resets back to normal after the screen shuts off. But who knows how many times it's done it that I didn't see. It's so infrequent and goes back to normal on its own. It may have done it from the first day but I just didn't see it when it did. I email VS last night to get it repaired/replaced.
Other then the screen issue I'm really liking it. Especially the temp control since I don't draw the same every time. Sometimes I would get burnt tasting hits on my tanks from too light of a draw. I can see that difference now while watching the screen in TP mode using a mirror.
Hopefully the next screen will work, or at least be working correctly whenever I look at it.