I have a Precision 670 which is suffering the dreaded Nichicon HN(M) disease. I have been reading about this issue for awhile because of the gx-270 minitowers we have. My 670 has spontaneously rebooted several times in the last week, and just seems "off its feed" if ya know what I mean
So, yesterday I opened it up to check things out and lo I counted 26 badcaps out of about 50-hmmmm. 
The caps in question are the HN(M) with many 2200uf 6.3V cans. None have spewed, luckily. The VRM sports...