First, I can't let this pass -- there are no lug nuts on a VW. I know it's a character flaw, but take me as I am.
Now about anti-seize -- I don't mind some between wheel and rotor face but am not a fan of it on lug bolts. They won't back out, but will distort the torque settings greatly.
90 ft.lbs. is a lot. Normally wheel bolts (or nuts on your mom's LeBaron) are spec'd for torque dry. Anti-seize compound on the bolts will allow you to go way tighter while reading the same. You can cause damage that way.
The best thing to do (I think) is to clean the male and female parts thoroughly with a wire brush before reassembling dry.
P.