Topic: toft atb16 and rme ai8-ds

I just purchased a toft atb 16 analog console and i need 16 ad and 16 da ,i was thinking  about using 2 rme adi-8 ds 's and a raydat pci-e card  i am using a macpro 2.8 8 core mac ,anyone out there using this combo? thanks in advance johnny z.