I just ordered the special thin-walled 5/5mm nut driver required to disassemble Unicomp keyboards from clickykeyboards.com.

When it gets here, I'm going to open up both of our Unicomps (the UB404LA trackball variant and the UB40PGA nipple-mouse variant) and take some pictures.

The thing I'm going to be particularly looking for is the strain-relief problems rumored on some Unicomps.  This is one possible cause of the flakiness in our UB404LA.

I'm not really a hardware guy, so I don't know what other sorts of things to look for.  Suggestions welcome.  
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