I bought the one linked in homelabsales. It was $600 plus shipping, it has a single ISCSI controller and is 3.5" drives which I apparently have a metric truck ton. I wanted the 3200I because I have 3 Md1200's that I want to daisy chain together to hold the final link in my 3-2-1 backup array. If it weren't for the fact I have these other shelves I would've gone a different route.
I can always buy another ISCSI controller if I need a secondary one.
@BeTeP If I didn't plunk down $600 for the other one that would've been my next option.
Thanks everyone for pointing these links out!