This is the mattress we bought for LO's crib. My Pedi recommended a mattress with a minimum of 150 coils.
Happily Overwhelmed:Sealy Soybean Foam
Same. Actually, a different version of it - the Sealy Soybean Foam Everedge. It was on sale at BRU and we used GCs. I think it was about $116 after ship and tax.