Here's a couple pics I just snapped of my setup:
My CB unit:

My antenna mount:

The CB model I have can be had at walmart for $29.96 and according to the local CB shop, "it's a good little unit". The CB shop wanted $54 for the same exact model. Where I have it mounted on the dash works pretty well and seems to amplify the sound coming from the small speaker underneath the unit. Even rolling down the highway with the windows down on swampers, I don't need to go above 1/2 volume.
The antenna mast I got from the CB shop for $16.96, the cable from the same place was $16.96, the spring for the base of the mast was $4.99 from radio shack and the mount itself I made with a piece of aluminum angle I had laying around and a mounting stud bought from radio shack for $5-$6. Overall it seems to work really well and is really simple to operate, without any fancy side-bands or extra controls to figure out. It might not be the best performing setup out there, but it does the job much better than one of those "emergency" setups with the cig lighter plug and slap on magnet mount!
I wanna see some of your guy's mounts. More pics!