ART's Pro VLA (Tape Op #37) is one of the best compressors ever made at its price point. You can pick one up new for under $400. It's an electro-optical compressor with a 12AX7 tube gain stage. You could call it the poor man's stereo LA-2A, but the funny thing is, lots of engineers...
The Hook : Pop Filter 375 DS
A good pop filter for cutting vocals is one of those easily overlooked tools in the studio. Often an afterthought, a good one makes a great mic even better -and an average mic sound okay. A crappy pop filter makes an amazing mic sound crappy. Why screw up your several-thousand-dollar microphone...