Apologies if these locos have been posted previously but I have found three 2.5" locos for sale with Robin at View Models and another with Graham at Antique Steam in the West Mids. I have copied in hyperlinks for anyone that may be interested in having a look.
A freelance (Gresley-ish) British pacific now reduced to £1450
http://www.antiquesteam.com/stock.htm (http://www.antiquesteam.com/stock.htm)
An LBSC Dyak from 1936 at £1950
http://viewmodels.co.uk/?p=210 (http://viewmodels.co.uk/?p=210)
An LBSC Austere Ada 2-8-0 at £1250
http://viewmodels.co.uk/?p=236 (http://viewmodels.co.uk/?p=236)
An LBSC Fayette Pacific at £1495
http://viewmodels.co.uk/?p=220 (http://viewmodels.co.uk/?p=220)
I'm not connected with any of these dealers, I'm just scouring the web for a loco to buy and am posting any that I think may be of interest to other G3 runners.