This deal is back for one day (15/04/2015) only! Pretty decent price for a 3840 x 2160 100Hz 4K LED TV
Bought one myself last month when a similar deal was on and highly recommended at this price! Don't need a smart TV as I've already got an Apple TV + Maige TV Box for all my media needs. Amazing TV for this price!
Full spec here - http://www.seikidigital.com.au/products/tv/SE65KS001AU.php
Below description thanks to Joysky from previous post when the deal was on in December 2014.
I personally think 4K is wasted on anything smaller then a 60", and 65" is starting to unleash the clarity you want when paying for these extra pixels.
There are no reviews on this exact model, but if build and image quality is of any concern, it appears to be similar to the SE65UY04 found on Amazon, but 100Hz vs 120Hz.
There is also little to suggest Seiki has another lineup besides this one, consisting of 39", 50", 55" and 65", making it more likely that the refresh rate is the only difference.
http://www.amazon.com/Seiki-SE65UY04-65-Inch-Ultra-120Hz/dp/…
Refresh Rate: 4K@30Hz 1080P@120Hz
Component & HDMI Support: 480i, 576i, 480p, 576p, 720p, 1080i, 1080p, 4K2K 30Hz (Only HDMI)
The link doesn't work in the details OP