The Zeagle Envoy constantly comes up as a tremendous value for the money in reg tests. I have a DSV (very similar) and agree.
Best New Regs 2003 - Scuba Diving Magazine
I don't think service should be a big problem if you have a mailbox
. Plus, the design is very similar to about half of the regs out there so a non-Zeagle shop should be able to fix problems too.
Rich