Why IceMan specifically? If you choose to go single-rad, you can fit a small pump-res combo above the GPU pretty easily, just need to DIY a mounting bracket for it.Just canceled my two orders from the first batch. I wanted White + Full Mesh so I will just wait it out now. I have everything set aside except a custom loop solution, still waiting for OT to release the IceMan pump/res for this case.
E.g. Phanteks Glacier R160C:
This one has fill/sensor ports and it looks beautiful