The Bitmain APW3 supply looks ok and seems to be a reasonable price. Anyone had any issues with them? By the time I factor in getting the HP DPS1200 supply, PCIe cables and either a breakout board or time to solder the pigtails straight to the connector, the price seems to be quite good.
My current two HP power supplies were out of a decommissioned server at work, so free.
Go for the Bitmain PSU's. I used to use the HP's and yes even have a few IBM 2Kw PSU's but for the same reasons you mentioned (hassle factor) I started using the Bitmain ones soon after they came out a few years ago. Have a couple dozen of them now and zero problems ever.
NFW - what about for those of us in 110/120v land? I'm ordering an Avalon 741 am trying to find the absolute best PSU for it. I saw the EVGA 1300w suggested in a post by canaan on their website, but is there something more miner-specific and better suited like the bitmain but for 110/120v w/ an A741? I know the HPs/Sidehack are a great option but there seem to be better options? having a couple dozen w/ zero problems ever must be preetty nice..