This isn't possible, but... Albums most consistently in any general Zappa top five (excluding the first part):
1. Weasels Ripped My Flesh 2. Joe's Garage 3. One Size Fits All 4. Waka/Jawaka 5. Absolutely Free 6. Apostrophe (') 7. Freak Out! 8. We're Only In It For The Money 9. Sleep Dirt (non-vocal version) 10. Lather
Top five 60's: 1. Hot Rats 2. We're Only In It For The Money 3. Burnt Weeny Sandwich 4. Uncle Meat 5. Lumpy Gravy
Top five 70's: 1. Grand Wazoo 2. Roxy and Elsewhere 3. 200 Motels 4. Bongo Fury 5. YCDTOSA #2, before the drum overdubs
Top five 80's: 1. Them or Us 2. YCDTOSA #5 disc 2 3. You Are What You Is 4. Tinseltown Rebellion 5. Make a Jazz Noise Here
Top five overrated but still good: 1. Apostrophe (') 2. Sheik Yerbouti 3. Zoot Allures 4. Over-nite Sensation 5. Zappa in New York
Most fraudulent top five: 1. Old Masters box 1 2. Old Masters box 2 3. Old Masters box 3 4. You Can't Do That On Stage Anymore 5. Lather (original)
Top five post mortem: 1. CPIII 2. Lost Episodes 3. Imaginary Diseases 4. Buffalo 5. Wazoo 6. I'm listening to OSD now... very good.
Top five future/potential releases: 1. Dance Me This/The Rage and the Fury--put em out already! 2. The entire collection of stuff hiding on the Synclavier 3. The Making of Joe's Garage 4. The Hot Rats band--the complete recordings 5. 1967 Garrick Theatre--the complete recordings