Well, not definitely, but definitely not not, definitely, according to staff on the Tivo booth at the Digital Experience exhibition, near CES (Consumer Electronics Show) in Las Vegas.
Tivo has recently launched in Taiwan, and this may or may not have a bearing on whether it plans to launch in other countries as well. And if it were to, that may or may not be the UK.
In the meantime, here's a picture of a Tivo soft toy.
Big in the UK? Or not?