Rearz has a lot to offer. Their flagship diapers are based on Inspire InControl (including princess and safari) and are probably the highest capacity diapers on the market. (so they're available in ABDL, sissy, AND all-white... that's a great spread) They've got a track record of maintaining high quality and discrete shipping. I haven't heard any customer service issues. Their diapers are also very wide crotch, with tall effective leak guards and waist elastic in the back AND front. (if anything, they can be a bit TOO wide in the crotch for side sleeping) Their sizing is pretty generous also. My biggest issues with them are side-sleeping discomfort and high cost. They don't have much in the way of a US outlet. (bambino carries them, but iirc it only saves me $5 by the case)
I suppose I have had one issue with them... on those rare nights when I've drank a ton and decide to just tough it out on my back all night, it's not unusual to crawl out of bed in the morning and find the top sheet has separated from the shell on one or both sides in the crotch. This exposes a cake of wet sap on the sides of the crotch, which surprisingly seems to stay in one lump rather than shedding balls of sap everywhere. When this happens I'm always expecting a lot of cleanup, but that's just never been a problem somehow. But I'm still quite satisfied with their performance, having reached a point where a Space would be leaking badly but there's not a spot on my sheets.