I bought this one because I wanted steel cups. The threading is very clean and it's smooth and dead silent. I have no idea how long it will last, but the first few miles have been luxurious.

It seems to be far higher quality than it's price tag.

Amazon.com: Sunlite Square - Comp Cartridge Bottom Bracket - 68mm, ENG, Square Taper, 103mm, Steel: Sports & Outdoors