hi guys ,after spending three days with nexus 7,i am quite happy with the fastness and so many other things but i am going to give it back to the seller . Its probably the build quality of the nexus 7 or perhaps i rooted it.The tab system halted 30 times in 3 days,some times screen just does not respond to the touch ,anyway i am returning it back.Now i need an advice from you guys as if i should be buying the 32gb version of nexus 7 or the 16gb ipad mini because of mini's build quality? As they are almost at the same price here in china . thanks in advance .