When JCB launched the 250hp Fastrac 8250 back in 2005, the new model hit the headlines for more reasons than its adoption of a CVT. Here was a Fastrac that sought to offer as much in-field performance as pace in transport. So, with an all-new 8000 series due at the end of 2016, is now a good time to consider investing in an existing 8000 model as a used buy?