>>Issues I've seen with NT Explorer (hangs, cursor turning into a rectangle, BSODs) have been due to bad video drivers.
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>We are certain we have the correct, latest video driver. However, the monitor is about 5 years old, and despite both machine and monitor being supposedly HCL, I've totally hosed the NTWS a couple times just by changing a simple video setting. Will try a new machine and monitor eventually (in the budget as we speak), one machine/monitor does not make a good survey sample. We are happy with NT Server/Win9x in the meantime.
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>Still doesn't explain all the problems, anyway. I've found a way to always reproduce a complete NT hang, even after 4 scratch installs of NT. I go into Add/Remove Programs, select Remove, and I will get an Explorer.exe error every time, and full lockup after 2 or 3 selects of it. No BSOD usually, just full hang/lockup, and full reboot to clear it - very unlike NT, from all I hear and my 5 years or so using NT Server, which has been an extremely good product. Other less-reproducable problems with the NTWS also, but that is the most reproducable disaster.

It would be interesting to spend $50 to get a different video card, install that with the appropriate driver, and see if you still have the problem. Or borrow a different make/model from another machine (not another instance of the same card !)

Your monitor will have no effect on things. NT's knowledge of the hardware goes no further than the video card; and telling the card what refresh rates to use by looking up values in a list.