We've gotten some great feedback from you all, thanks!
We are going to take a break with this thread and place it on "hold" for a bit - don't worry, it's not going away and it will be re-opened shortly! We have another topic coming that we feel confident is going to interest you!
But let's get more specific:
SUB5000T - modern with screw lugs
Ricebeads - "old school"
Automatic dive suit extension (SUB5000T)
Luminous gas vials