Um...
Wow. I just thought of several, but having been through sensitivity training recently here at work, realize they just aren't... PC.
Oh! That's okay then?
"Because you gotta go through several to find one good one."
"Even the good ones have problems."
"You discover why they are screwed up at the most inconvenient time."
"The beautifully kept ones don't work well."
"The workhorses that work well, look like workhorses."
.
.
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Goodness. I'm kidding here, I hope that comes across! All the above could be applied to men, I suppose, too.