Again, my reference was “for serious work” which I define as suitable for a fight.
I am sure you’re aware of all of the following, of course, but let’s review:
-Frequency of battery changes with the RMR vs DPP are perhaps one for four. With a good mount, and use of a torque wrench, RMR zero is easy to maintain after battery change.
-DPP is more difficult to conceal carry due to size.
-DPP view is certainly clear and wide, but if you’re target focused as you should be, and have a reasonable presentation, it doesn’t matter much.
-Reliability of the RMR Type 2 vs DPP is probably more or less a moot point. If YOURS breaks, you have a problem. But I know which one I would expect to keep working after a drop or impact.
-You need an America’s Cup spinnaker size BUIS with a DPP.