I recently upgraded to an Oceanic Atom 2.0 and love it. The size and ease of operation is great. Since the transmitter is so small I have my rig configured with a small SPG as a back up. I really like the fact that I can use it for multi gases and accelerated deco with enriched nitrox mixes. The buddy check feature I hope is good, havent tried it yet, but Howard just ordered one so we will be testing it soon. I would definitely recommend this computer to anyone.