| Freak Out! | Any CD, or Old Masters LP | old LP | mono LP | single-LP version | 
| Absolutely Free! | Any CD | LP | mono LP |  | 
| We're Only In It for the Money | 1995 CD, or 1995 LP | Old CD (coupled with Lumpy Gravy), or Old Masters LP | mono LP | "heavily censored" version | 
| Lumpy Gravy | 1995 CD | any LP, or old CD (coupled with We're Only In It for the Money) | original, instrumental version for insane completists (CD-Rs do exist among traders!) |  | 
| Cruising with Ruben & the Jets | Any CD, or Old Masters LP | old LP |  |  | 
| Mothermania (The Best of the Mothers) | LP (never re-issued on CD) |  |  |  | 
| Uncle Meat | Any CD | old LP |  |  | 
| Hot Rats | Any CD (Old Masters LP OK?) | old LP |  |  | 
| Burnt Weeny Sandwich | Any CD (Old Masters LP OK?) | old LP |  |  | 
| Weasels Ripped My Flesh | Any CD (Old Masters LP OK?) | old LP |  |  | 
| Chunga's Revenge | Any CD | old LP |  |  | 
| Fillmore East, June 1971 | Any CD | old LP |  |  | 
| 200 Motels | CD or LP |  |  |  | 
| Just Another Band from LA | CD or LP |  |  |  | 
| Waka/Jawaka | CD or LP |  |  |  | 
| The Grand Wazoo | CD or LP |  |  |  | 
| Over-Nite Sensation | CD or (stereo) LP | quadraphonic LP or tape (or fan DTS CD-R transfer) |  |  | 
| Apostrophe (') | pre-1998 CD (or Old Masters LP) | 1998-or-later CD, orAu20 CD, or old LP | quadraphonic LP or tape (or fan DTS CD-R transfer) |  | 
| Roxy & Elsewhere | 1995 CD
    (remix of "Cheepnis") | old CD or LP (some old CDs also have the
    "Cheepnis" remix, though) |  |  | 
| One Size Fits All | CD or LP (Au20 CD sounds best) |  |  |  | 
| Bongo Fury | CD or LP |  |  |  | 
| Zoot Allures | CD and/or LP - LP sounds better (and has 3 extra seconds of drums :) |  |  |  | 
| Zappa in New York | CD | LP | (uncensored LP version for insane completists - may or may not be in circulation) |  | 
| Studio Tan | CD | LP |  |  | 
| Sleep Dirt | CD | LP |  |  | 
| Sheik Yerbouti | non-EMI CD | LP or EMI CD |  |  | 
| Orchestral Favorites | CD or LP (LP has reversed stereo image :) |  |  |  | 
| Joe's Garage Acts I, II & III | CD | maybe LP, not sure (at least the "digitally remastered" vinyl seems a bit different from the CD) |  |  | 
| Tinsel-Town Rebellion | remastered 1998 CD | EMI CD :) | LP :) |  | 
| Shut Up & Play Yer Guitar | LP or CD (3-CD box  sounds best) |  |  |  | 
| You Are What You Is | remastered 1998 CD | LP or EMI CD |  |  | 
| Ship Arriving Too Late to Save a Drowning Witch | CD or LP |  |  |  | 
| The Man from Utopia | 1993 CD or 1995 CD | EMI CD, coupled with Ship Arriving Too Late to Save a Drowning Witch, or digitally remastered EMI LP | old LP |  | 
| Baby Snakes | CD or LP |  |  |  | 
| The London Symphony Orchestra | 1995 CD (Volumes I & II) | 1986 CD ("LSO", neither volume I nor II) | LSO Volume II LP |  | 
| Boulez Conducts Zappa: The Perfect Stranger | non-EMI CD | LP or EMI CD |  |  | 
| Them Or Us | 1995 CD (very slightly
    extended) | Old CD or LP |  |  | 
| Thing-Fish | [newish CD] | [LP and/or at least one old CD, not sure which] |  |  | 
| Francesco Zappa | CD or LP |  |  |  | 
| Frank Zappa Meets the Mothers of Prevention | 1995 CD  (or both US and European older versions on LP or CD) | Zappa Records CD 
    has a shorter edit of "I Don't Even Care" |  |  | 
| Does Humor Belong in Music? | 1995 CD | EMI CD |  |  | 
| Jazz from Hell | post-1990 CD (1990 or 1995) | Pre-1990 CD or LP, if you're real obsessive |  |  | 
| Guitar | CD | LP is in vouge among insane completist, for the "different segues" :) (mix may also differ!) |  |  | 
| You Can't Do That on Stage Anymore Sampler | CD or LP (unique edits of two tracks) |  |  |  | 
| You Can't Do That on Stage Anymore (Volumes 1-6) | CD |  |  |  | 
| Broadway the Hard Way | CD | LP |  |  | 
| The Best Band You Never Heard in Your Life | CD with "Bolero" (1995 CD sounds better; US & Japanese 1995 CDs have "Bolero") |  |  |  | 
| Make a Jazz Noise Here | CD with  "Royal March from L'Histoire du Soldat" & "Theme from the Bartok Piano Concerto #3" | [Zappa Records CD without "Royal March from L'Histoire du Soldat" and "Theme from the Bartok Piano Concerto #3" not in vogue among insane completists for the "different segues" (see Guitar :)] |  |  | 
| Playground Psychotics | CD |  |  |  | 
| Ahead of Their Time | CD |  |  |  | 
| The Yellow Shark | CD |  |  |  | 
| Civilization Phaze III | CD |  |  |  | 
| Strictly Commercial - the Best of Frank Zappa | US or European CD | LP or Japanese CD with "Dancin' Fool" disco mix (unless you already have that track on the original 12" single) |  |  | 
| The Lost Episodes | CD |  |  |  | 
| Läther | CD |  |  |  | 
| Frank Zappa Plays the Music of Frank Zappa: A Memorial Tribute | CD (mail-order from zappa.com) |  |  |  | 
| Have I Offended Someone? | CD |  |  |  | 
| Strictly Genteel (a Classical Introduction to Frank Zappa) | [no new material] |  |  |  | 
| Cheap Thrills | [no new material] |  |  |  | 
| Mystery Disc | CD (unless you have the original Old Masters boxes 1-2 with Mystery-Disc LPs) |  |  |  | 
| Son of Cheep Thrills | [no new material] |  |  |  | 
| Everything Is Healing Nicely | CD (mail-order from zappa.com) |  |  |  | 
| Threesome #1 | [no new material] |  |  |  | 
| Threesome #2 | [no new material] |  |  |  | 
| FZ:OZ | CD (mail-order from zappa.com) |  |  |  | 
| Halloween | DVD-audio, with some video content |  |  |  |