Alright guys, I have found another junkyard swap. I know Jamcar mentioned using a rearview mirror from a Saturn Vue which has the compass and temp, but it doesn't have map lights.
Soooo, while browsing around today I came across a 2003 Impala which had map lights. After looking at several different cars, I snagged one. The mirror doesn't have anything fancy other than the map lights. It looks like all early-mid 2000's Impala's are the same, other than the LTZ models being equipped with Onstar.
It cost me $6.37 out the door, and looks right at home in the Cutlass. Now to figure out the wiring and whether to tie into the dome light harness.
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This is the same swap I did on my Monte with T-Tops. I tied into the lighting harness up top and the lights in the mirror now come on when the doors open as well as work on the switches. The upgrade from this would be the mirror with map lights, compass and temp all in one. I've yet to find one myself but have heard theyre in Oldsmobile Aleros and even in some Lincoln vehicles as well.
Another interchange I've found useful is installing a Homelink Garage Door Opener module. I have pulled 2 from late 80's or early 90's Cadillacs. The module itself is all self contained and only needs a positive and negative feed to run. Make sure to get the harness with it! It ties in to a constant wire and programming is done with the buttons on the module once power is given. I'm looking for somewhere to mount it that's not too obvious since its always live but also that will either be hidden completely or at minimum looks like it came with the car.