Dave_C found this website from this company doing the early berks project. By far the best detailed and correct Berkshires I've ever seen. Better than the Kline, Better than the Lionel and with the correct tenders.
I'd sell my kline berks in a instant if 3rdrail would do a correct B&A Berkshire, throw in a couple road names and I buy two
Check this website out, scroll down to the pics.