How many gauges are you looking to install?
I only wanted one, so I got the SubieGal single 60mm Dash/A-Pillar pod. It finally arrived Tuesday (long story - 10 month delay...) and I ordered a 60mm Omori WRX-look boost gauge from Gruppe-S. It should be here tomorrow.
It mounts in the corner on the dash against the pillar. Anyway, here's the pod just setting in the car. I'll add pics as I install it.
Click on any image for a larger size photo.