I had to choose an Aussie based exchange and went with DS and did not regret it at all. Account was setup for SMSF and the couple times I spoke customer support was a breeze always happy to help and 100% resolved the issue. I also have a couple other Aussie exchange for my personal account and DS prices / spread are always better rates and fees. It has alot of the top couple hundred coins based on market cap. For quick candle charts the DS app is quite good and very clean app UI for beginners. If you're looking for a CEX for your SMSF I suggest looking into these guys.