I've bought several computers at David Jones, including an iMac, a MacBook Pro, a netbook and a couple of PC notebooks.
As a nerd, I'm often asked why I do that. My answer is that I've never had a single problem with computers bought from them. I just show up, choose one that I like and take it home. The MacBook Pro I'm using at the moment was purchased about 2 years ago from them, and it's been working flawlessly too.
I don't usually bother with salespeople since I know what I want just by looking around, so I can't comment on that. My interaction is limited to choosing something, making sure it's in stock and arranging payment.
Their store card usually offers reasonable rates, so if you are a bit short they are a godsend. I've received their monthly bills and they are very detailed, including exactly how much interest you are paying, how much you have to go, etc - and these have been like this since before the law requiring them to detail the minimum payments. read more