I bought a Samsung TV.
Don't get me wrong, it's a brilliant TV. It just lacks a little in the Apps department.
The Smart TV interface just throws three pages of large icons at you without any apparent attempt to organise them, and without offering any apparent way for you to organise them. The App Store is a little more organised, but doesn't change much, and doesn't really offer me anything that interests me. The BBC apps are good, as are the Youtube and Facebook apps, but beyond that there's not much.
Also, when it worked (sadly the previous version didn't work reliably with iOS 6, and the new version doesn't work at all), the Samsung network remote app for IOS was brilliant, and integrated well with some of the onbooard apps (such as the Youtube app).
Then we get to the media player. Playback wise, it's brilliant. Format support is very limited, but that's easily curable (indeed, the TV comes with Samsung's All Share PC application to help with this, although that's not the best solution). There are a couple of problems. One is that the TV has trouble if you have large numbers of folders on a NAS(it appears to hang, then goes back to the root folder). The other is that it's not immediately obvious what some of the icons on the OSD do.
But, even amongst Samsung's own apps, the look and feel of the interface is not consistent, and none of them are constant with the TV's other menus.
As for the remote, well, I thought we'd grown out of long rectangular boxes with lots of square buttons back in the mid nineties. Seems Samsung didn't.
On a side note, while it has (in some place) a monumentally badly laid out user interface, I still think the Tivo (be it a UK or US one) has the easiest remote control to hold and use.