Can anyone point me towards a HiC Dataset with domains of high confidence?
I guess your best chance is one of the in-situ HiC papers from the Lieberman-Aiden lab. There are not too many HiC datasets with 10kb-or-better resolution out there for human. I would check this one:
A 3D Map of the Human Genome at Kilobase Resolution Reveals Principles of Chromatin Looping