People seems to dive into this deal when it's on…. but from my personal experience, it's not worth it.
I had it few weeks ago for a friend's birthday, the service is bad ( need to wait at least 15-20 mins for each course ), the food is below average ( not to mention they didn't serve us sashimi & sorbet as described, I realised when I got home and check the deals again ).
There are plenty of good tepanyaki out there in Sydney, with reasonable price.. Kobe Jones Tepanyaki is just over rated.
I agree with that being said about Kobe Jones in general. I haven't had the voucher but I did go a while ago when they had all-you-can-eat sushi. it was drenched in sauce, which was tasty…but not exactly special. A 3 course dinner generally takes me about 2 hours as you spend the time socialising and taking photos…So i dont think 15-20mins is that bad…but then again that being said, I wouldn't go kobe jones haha