I sorted the video card driver situation out that evening, but it was a headache. The SSD drives continue to chill where I stashed them. The computer seems to be working fine - the fan on the side (!) of the case sounds a touch rattly, but it's not too bad. It's clearly a huge improvement over my poor, dead machine - I could put all the settings at max for DAI and FFXIV if I really wanted to, while having a browser full of tabs, Steam, and Discord open at the same time. I turn a few things down so I don't get any slowdown (and some things don't really make enough difference to bother having them up high) and it still looks much nicer. Not that it looked bad before, but there's definite improvement - and they run better in general. I just hope this thing lasts some years before I need to start replacing parts... it's always iffy with a used machine.