Help with 2 not-ideal offers (IB is the ultimate goal)

I need some help deciding on a couple of offers. One is for an analyst position at Duff and Phelps and the other is for an Associate position at a Big 4 in their Transaction Services group.

The problem with the big 4 offer is that it doesn't involve modeling in any way. It's 99.9% technical accounting based, but working with banks, pe funds, and corporation during acquisitions, carve-outs, etc. There's a good chance I can move into the valuation or FDD groups, but it would take at least a year.

The Duff and Phelps offer is 99.9% modeling, but I'm not sure that it's all B-val. I think a lot of it is purchase price allocation and goodwill impairment.

What would be my best exit ops from each position? Duff and Phelps doesn't have as strong of a name brand, but the work is modeling based. The big 4 name is stronger, but it's more technical accounting advisory work (though I can potentially move into Val. later)

I like the culture at big 4 better based on those I met, but Duff and Phelps would pay more.

What would you do?