Richard Gray 400MKII vs. 400Pro, any differences?

I plan to add a Richard Gray's Power Company to my system and found out that the Richard Gray just released a new 400 Pro. When I asked my dealer, he told me that the new 400Pro cost about $200 more. Is it reasonable to get it instead of the 400 MKII? Does anyone know wether there is any difference between them? Thanks
Change your dealer. The difference is a better IEC and 12AWG powercord. MSRP is only $10 more.