I've personally owned a few BJ's and I've had a few on consignment as well. I typically stick to US spec FJ40's and the BJ was never offer in the US. It was offered in Canada where the trucks were built closer to US spec with heaters, roll bars...
If you have not been to the website is awhile. Take a peek at Land Cruiser Nation and you will find a number of very nice US Spec FJ40's to look over. I also have a beautiful 1983 Beige FJ40 coming soon that is likely one of the best remaining...