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Hi John.  Yes, there are people who can help.  :-)
 
A great place to start is:
 
  http://www.gue.com/equipment/index.html
 
In particular, please take the time to read Jarrod Jablonski's
"Evolution of DIR Principles", which addresses each of your 
concerns in detail.  I see you've already gotten a couple of 
responses about what's wrong with the config you describe, and
those responses were correct.  However, JJ's article adds the
details of what's *right* with the alternative -- DIR.  Combine 
this information, and hopefully the choice will be clear to you.  
If not, keep asking... it really does make sense.

- Todd


>  I am a displaced cave diver that currently lives in California but does
>  try to migrate back to florida at least once a year. I have been reading
>  some articles about always breathing the long hose. Currently I breath
>  the short hose which comes from my left tank, and I have the long hose
>  bunged to my right tank with the regulator held close to my neck with
>  surgical tubing. I feel this is a good configuration because if I roll
>  off my left valve and then my buddy needs air from the long hose there
>  could be added complication. However if I breath the short hose I will
>  quickly know if I roll off a valve. I don't see any negatives to this
>  approach. Also, I have read that having a stage bottle on the right can
>  hinder the deployment of the long hose. Considering the long hose is
>  coming from over my right shoulder I don't see the problem.
>  
>  Can anyone help?
>  
>  Thank you,
>  
>  John

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