I bought an OzTent earlier this year and have used it once. Overall I am very happy with it. It rained the first night I was in it and stayed dry inside. One thing I am not used to is the fact that you pretty much have to stake it down to get the floor to stay flat, it tends to curve up front and rear.
The vestibule area in the front is nice, I had no issues keeping my boots out there, they were dry in the morning. Interior ventilation seems great.
I don't like that the window flaps can only be opened/closed from outside of the tent. Materials seem a little thin but time will tell on durability. Pack size is pretty flat but occupies a lot of space as its a 36" diameter circle. Could be a little taller inside (but I am 6'3 so I like a taller tent than many). I always pitch all tents on top of a tarp and given that the floor of the OzTent is a little thin, I will continue doing so with this tent.
I also have a Eureka Assault Outfitter tent - I will keep it for severe weather and trips when I take my dog, for a little more interior room. My dog has done a little damage to the Eureka and I'd like to limit his "influence" to one tent.