The RC lift is definitely a good deal for the money. I personally would wait for the time when I could afford the 4.5" over the 3". That way if you decide to shackle it later and put spacers on the front shocks, you can feasable get 6-6.5 inches if you ever decide to go that route without having to replace the springs and shocks again. Also, the blocks to bump the 3" up to 4.5" or 5" runs you about the same as the difference in the price of the kits anyway. It just makes more sense to waite till you can swing the 4.5" if you are even contemplating ever going that high.
IMHO.
Our 91 is our DD too. It's lifted 4.5, and has 33s. Has a Currie anit rock kit, custom long arms, custom 3 link front end, custom bumpers front and rear, and custom sliders. It's a pretty nice rig that is totally trail capable. We do take it off road, but it is our DD.
Talk to you later.
Matt