Much depends on how you intend to use each. I have a Note 2, iPad 4, an older Acer Iconia tablet running Honeycomb (I think), and a Lenovo Yoga Win8 convertible laptop for work. And now I have a Nexus 7 v2, which I use all the time.
The Note 2 is my go-to device, as it's always handy. But when...