I used Bilsteins on my 97 and they are great. I also put the OME Medium springs on at the same time so some of my improvement is from those. I drive 99% highway by the way. I always buy Bilsteins for my Volvo and BMW and have always been very happy.

Front - http://smile.amazon.com/Bilstein-24-014779-Front-Toyota-Cruiser/dp/B004WO0YV0 Rear - http://smile.amazon.com/gp/product/B004WO0Z0K