With the SR USA tank due out this year and hopefully the O2, the Bachmann E4 within the next two years and various tank engines with different identity's including the 4mt 2-6-4 which I believe is going to be no. 80121 (a Southern allocated loco - ideal!) , I am having difficulty wondering what would be the most suitable addition to my Southern region south coast layout - im generally spolit for choice! I have found the USA tanks quite interesting and the detail that will be on them sounds extre