I've kept elapids, pythons, colubrids and I've lived with File Snakes. I've played with boas, blind snakes, vipers... and after all that, Death Adders are up there with my absolute favourites, they'd be in my top three favourite Australian snakes to keep. They're gorgeous, interesting, very low maintenace and very easy to keep. The venom is a mixed blessing, it does make them interesting, but it keeps most people away from them. I am fairly sure that if they were non-venomous they'd be Australia's most popular snake. I rarely physically touch mine (because of the venom), which is a shame, because most of them are such sweet-natured snakes and wouldn't bite if I wanted them to. Tonight I had to manually slough one, it was sort of cute, it repeatedly tried to bite me as I was pulling the old skin off
(I had it in a secure head grip, there was no danger).
It's difficult to describe the enjoyment I get from watching their very interesting behaviour. They're completely different from anything else in Australia. Funnily enough, they most remind me of Chondros (sit and wait, luring for food). I absolutely love watching them lure, it is so endearing. The 'flattening' behaviour is very cool, it's like what a cobra does when it hoods, but they do it with their whole bodies, from the base of their neck to the base of their tail! Their lightning-fast strikes are extremely impressive. Everyone I know who has kept them has quickly found them to be extremely appealing, there is something very special about them.
While I can't do a great job of describing how appealing they are to keep, I can give you some pictures of some of mine. At the very least, most people will agree they look good.
I'd love to post more pictures, but I'm sure people will start screaming something about flooding if I do!