Layouts Confirmed So Far:

Constable Wharf 7mm
Outwell Village OO Finescale
Hamerford OO
Hobbs Warren 7mm
Little Histon OO Finescale
Gamle Carlsberg (Danish) 7mm NG
Fursenhall 4mm EM
Fen Drove 7mm Finescale
Newcastle by the Water N Gauge
Whatlington 3mm
Bad Feriendorf (German) Z Gauge
Unserstadt (Swiss) N Gauge
Brenlyn OO9
Cadeverton 3mm
Horsley Bank P4
Crickey Tramway OO/HO 14.4mm
Dragonby N Gauge

Traders Confirmed So Far:

Eileens Emporium
Layouts 4U
Electronix
Trains 4 U
Ten Commandments
Model Road & Tramways
Hobby Holidays
Pearman Books
DC Kits and Videos
Green Scene
True Textures