4.4.2 has turned my Note 3 into a pile of crap.
Lots of things crash after bootup (background tasks trying to start) and I constantly get "Internet connection is unstable" on both 2.4Ghz and 5Ghz (it only happened on 5Ghz on 4.3). The widgets on my home screen regularly lock up too.
I am now preparing to restore factory settings in the hope that it actually fixes this as its barely usable.
Looking promising so far, its downloading all my apps again and no "Internet connection is unstable" messages yet.
HTC Wizard (Awesome keyboard), Sony Ericsson Xperia X1i Silver (Sucked), Nokia N900 (Poor support from Nokia), LG Optimus 3D (WORSE support than Nokia, at least their ROMs worked), Samsung Galaxy Note 2.
Samsung Galaxy Note 3 - Almost perfect, more of an improvement over the 2 than I expected.