I've never cared for the Pillars
Tim,
When I considered adding additional gauges to mine, I looked at the pillars. I didn't like the look so I did something completely different.
I found a set of SunPro electronic guages at Pep Boys. The coloring was almost an exact match (white for english units, yellow for metric). I mounted them where the "information panel" is located below the radio. I bought some yellow and red lights at Radio Shack and mounted them around the gauges for Low Coolant, Low Wiper Fluid (Yellow), Low Fuel Light #1 and Door Open (Red lights). I removed the main instrument cluster, found another firm ride light on the main instrument cluster under the tachometer and wired into it. Also, I "blacked out" my stock water temp and oil pressure gauges using some black contact paper.
I really like this look and the gauges have performed well. I have water temp, oil pressure and volts from R to L.
Anyhow, that's my opinion. I would suggest those three gauges for you.
Have fun!