UPDATE : Auction ended 28.12.09 with model unsold (0 bids).
http://cgi.ebay.co.uk/2-1-2-gauge-steam-locomotive_W0QQitemZ270503373059QQihZ017QQcategoryZ14737QQcmdZViewItemQQ_trksidZp3286.m7QQ_trkparmsZalgo%3DLVI%26itu%3DUCI%26otn%3D3%26ps%3D6
Spotted on Ebay by Mike Williams is this 2.5 ins gauge electric model of a Great Eastern 0-6-2T.
Not an exact scale replica of the prototype but a good likeness and at an attractive price.