Sjloug:
Thanks everyone... I have another stupid newbie question.... Do i need to purchase a gauge. Or would a good computer do all that i need...
At a minimum, you need two gauges, a depth gauge, and a submersible pressure gauge, a.k.a. SPG, and a watch.
A basic computer tracks depth and time, so is used in place of a depth gauge and watch, but you will still need an SPG. Then there are computers that are pricier that are AI, i.e. Air Integrated, that also functions as an SPG, in which case the computer is all you need.
BTW, I also concur with another post on this thread, that it would be better to wait until you finish the class to buy gear. Besides the fact that a non-negligible percentage of people either do not finish their open water class (due to health or other reasons) or never dive again after the class, it's also possible that after finishing the class and doing a few dives you will get a different idea of what gear you'd like to have.
That said, the Alpha 8 sport seems to be a good regulator, with great bang for the buck, and a good choice if affordability is an important consideration.