As long as a reg was doing the job for the diving I was doing I would only upgrade to a better reg when I can no longer get parts or service. I think you are better off spending the money on dive charters than dive gear.
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So do you consider something like a Titan reg as "going cheap"?
@tadawson: And how would you feel if I told you that a given $350 reg setup would be just as safe (with respect to performance, reliability, ease of tuning, ease of servicing, etc.) as a $1,000 top-of-the-line reg setup that had a lot of unnecessary bells and whistles?
Glad to know you aren't my competition for SP109's on the used market. 40+ years old, and performing flawlessly! Likely last through my daughters lifetime too......
Not really.....especially if you have the LX 2nd stage.
High end regs have a better theoretical gas flow rate but I can't think of any brand name reg made today that won't supply a diver or two with gas down to the recreational limit.
I'm interested in knowing at which point someone considers a higher-end reg.