Are you using the GUI client or the Console? Do all three boxes have team 36120 and name "mschalock"?
The most common problem is that the client has "Use IE Settings". Make sure that that box is unchecked.
Also, if you have upgraded to IE 7 then consider IE 7 evil. Make sure that the client is not using IE Settings or a proxy.
One work unit was uploaded (p2124) to server 171.65.103.160 last Wednesday. Which computer could that be, and what do the logs say?
You can also track your stats here:
http://fahstats.com/usum.php?u=887886
You;re old enough around here to know that talking like that can get u banned from FR!