mikedive,
i'm already o2ptima cert'd but thanks for the offer and my trip is monday anyway

...since your teaching the o2ptima course i assume you have some extendair carts in stock? thats what i dive in my inspo.
crazyduck,
thanks for the list of info, very helpful i think i'll go w/ protec if they can give me what i need. thanks again
TordoffR,
thanks for the info, but i'm going w/ family and a buddy of mine, who is newly OW cert'd as well as my bro, so ill be diving w/ them and we already have 'dive packages' worked out