Hello from Alexandria!
I have also purchased the optima and I am going through the training right now. It is a little cold to be diving right now but hopefully I will be soon.
PM me offline and we can swap contact info. Would love to go diving but i am not that keen on cold dark places yet. What can I say I still like having lots of vis

The unit so far is pretty good, but there are a few things i would like to tweak.. want to get more experience on the unit first.
bw