We were sent to AM North last weekend around midnight as the gold lounge was full.
I would say underwhelming is about right. It was packed so finding space depended on finding someone who was leaving. The food was uninspiring but we did get a shower easily enough.
Better than wandering the terminal and there are worse lounges out there but not what I expected.
first time on Qatar and won’t be the last as the service levels on board have been grear