Here are my options:
Comfort, Heavy Duty, Sport, & Touring
Comfort & Heavy Duty
This is what Bilstein says about the different classifications:
For the performance-minded driver,Bilstein "Sport " shocks deliver absolute mastery of the road surface.. Designed to push a car ’s suspension to it ’s performance peak,these shocks are well suited for use with special springs,anti-sway bars or other suspension upgrades.
HEAVY DUTY (HD)
For most vehicles including full-size sedans,SUVs and trucks.These shocks provide improved handling and stability without sacrificing ride comfort.They offer super damping ability that makes them ideal for heavy hauling for occasional off-road use, while maintaining an exceptional "street " ride..
For the driver who wants maximum ride comfort,with the virtual elimination of "bottoming out " and vehicle sway.. These shocks generally maintain and,in many cases,enhance a vehicle ’s original ride qualities while increasing road-handling and overall stability.
TOURING CLASS (TC)
Bilstein Touring Class original equipment replacement twin tube gas pressure shocks and struts feature the same German engineering and quality as the world famous Bilstein Monotube Gas Pressure Shocks in a new competitively priced twin-tube design.
I'm thinking either comfort all the way around, or maybe touring up front and comfort in the rear (though am considering heavy duty all the way around.)
My next issue after getting the gas shocks though, is getting springs to go over them. I can always use the stock springs, but I think after being on there for 20yrs I'd be best to get new ones (pelican parts doesn't carry them, nor any local shop - I'm sure I can get them @ the dealership... but oh the $$ spent there if I do.)