If you are attending the British Toy Fair this year you may want to head over to the Underground Toys / Gears for Games stand as amoung the plush toys you will find there will be some Transformers Prime Talking Plush toys as well as some Talking Teenage Mutant Ninja Turtles. They will be on stand G110.
The official Hasbro UK stand will be showcasing the Transformers Prime Universe (The current Transformers Prime and some "Universe/Classics" figures) and Transformers Prime Beast Hunters toy lines. The toys will be supported by Series 2 of the show starting to air between Jan and March as well as the release of the second set of Transformers Prime Season 1 DVDs. There is a chance that the Optimus Prime truck will be at the event as it's continuing it's UK tour until November
"Action Game" manufacturer, Sambro, will be showing their licensed Transformers action games at the show as well.