If you ran over a curb, I would agree that you have a bent rim. When you have them balanced again, I would strongly suggest having static weights (inner stick on weights) put on the inside. I had clip on weights and one ended up falling off and I had wheel wobble at 40 mph and hitting 60 would shake pretty bad. Took it to Wal-Mart and had the inner stick on weights put on and clip on's removed. Now it's smooth as ice at any speed.
I had the same weights on my Octastars on the 94 and it was also very smooth at all speeds. Hammer on weights suck and they don't look good either. It's nice when you clean your rims and there isn't a big chunk of lead right there in the way.