Since the ES44AC announcement, they've now added the ES44DC. Athearn's slow retooling of the T55 models is going to kill them soon!
http://www.ircmodelersclub.com/hoscale.htm
BNSF H2 Nos. 7661, 7662, 7724, 7737
CSX YN3 Nos. 5207, 5223, 5364, 5398
CN Nos. 2226, 2239, 2240, 2253
NS Nos...