rash guard

I will likely be diving in mostly warm water climates, should I purchase my own wetsuit? Will a full body rash guard suffice? Just a shorty or long sleeve swimsuit? Is it worth it to purchase your own computer? Brands you recommend? I welcome any advice!

I am a confirmed cold water Great Lakes diver. I am pleased as punch to dive wet in 30F's, the 40F's are balmy, 50F's call for a light wetsuit, and once the water hits the upper 60F's it's swimsuit weather. But this month my buddies have talked me into going to North Carolina. I have been told...

I recently bought a wetsuit from Xcel (like three days ago!) and got on their mailinglist due to the order. I got an email today about an additional 20% savings on already on-sale items (some of which were already pretty good deals). I don't need the latest model wetsuit, just something that...