^^^ +1 I use airsoft beads in mine. Never use weights again. Go for the heavy airsoft ones (0.20g high density). Look on-line for how to use them - there are sites that will calculate about how much to use based on your tire size. If you run cheapass tires then you might need more... too much beads does not cause problems.
http://www.counteractbalancing.com/
You can also add some to your existing "balanced" wheels.
Oh, and if your local tire guy tells you they don't work or "that is only for highway trucks" tell him to **** off. They work awesome in my Dodge Grand Caravan also! They don't work well in wide and low profile tires though; lateral imbalances become a bigger issue with those. Beads can't fix that.
Check this out, it works!
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